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			I wonder why planes have wings : and other questions about transport by Maynard, Christopher [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why stars twinkle : and other questions about space by Stott, Carole [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why the sun rises : and other questions about time and seasons by Walpole, Brenda [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.96 Iw96 2008 . Cubao Branch: Room use only (1)Call number: R 030.96 Iw96 2008 . Lagro Branch: Room use only (1)Call number: R 030.96 Iw96 2008 . Main Library: Room use only (1)Call number: R 030.96 Iw96 2008 . North Fairview Branch: Room use only (1)Call number: R 030.96 Iw96 2008 . Project 8 Branch: Room use only (1)Call number: R 030.96 Iw96 2008 . Save to lists Add to cart (remove)
			I wonder why the telephone rings : and other questions about communication by Mead, Richard [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030. 92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030. 92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030. 92 Iw96 2008. Main Library: Room use only (1)Call number: R 030. 92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030. 92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030. 92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why trees have leaves : and other questions about plants by Charman, Andrew [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw92 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw92 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw92 2008. Main Library: Room use only (1)Call number: R 030.92 Iw92 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw92 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw92 2008. Save to lists Add to cart (remove)
			I wonder why triceratops had horns : and other questions about dinosaurs by Theodorou, Rod [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008 . Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008 . Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008 . Main Library: Room use only (1)Call number: R 030.92 Iw96 2008 . North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008 . Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008 . Save to lists Add to cart (remove)
			I wonder why the wind blows : and other questions about our planet by Ganeri, Anita [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why vultures are bald : and other questions about birds by O'Neill, Amanda [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why zips have teeth : and other questions about inventions by Taylor, Barbara [author] Series: Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why tunnels are round : and other questions about building by Parker, Steve [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why spider spin webs : and other questions about creepy crawlies by O'Niell, Amanda [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why soap makes bubbles : and other questions about science by Taylot, Barbara [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why snake shed their skin : and other questions about reptiles by O'Neill, Amanda [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why the sea is salty : and other questions about the oceans by Ganeri, Anita [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why the Sahara is cold at night : and other questions about deserts by Gaff, Jackie [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (2)Call number: R 030.92 Iw96 2008, ... Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why pyramids were built : and other questions about ancients Egypt by Steele, Philip [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why my tummy rumbles : and other questions about my body by Avison, Brigid [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)
			I wonder why mountains have snow on top : and other questions about mountains by Gaff, Jackie [author] Series: I wonder why series Material type: Text; Format: print ; Literary form: Not fiction Publisher: Danbury, Connecticut : Grolier, ©2008 Availability: Items available for reference: Balingasa Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Cubao Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Lagro Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Main Library: Room use only (1)Call number: R 030.92 Iw96 2008. North Fairview Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Project 8 Branch: Room use only (1)Call number: R 030.92 Iw96 2008. Save to lists Add to cart (remove)