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	1.	Rock collecting / by Roma Gans ; illustrated by Holly Keller. by Gans, Roma, 1894- Keller, Holly [ill.] Series: Let's-read-and-find-out science. Stage 1 Material type: Text; Format: print ; Literary form: Not fiction ; Audience: Juvenile; Publication details: New York : HarperCollinsPublishers, c1997 Availability: Items available for loan: Ayers (1)Call number: 552 GAN.
	2.	From tadpole to frog / by Wendy Pfeffer ; illustrated by Holly Keller. by Pfeffer, Wendy, 1929- Keller, Holly [ill.] Series: Let's-read-and-find-out science. Stage 1 Material type: Text; Format: print ; Literary form: Not fiction ; Audience: Juvenile; Publication details: New York : HarperCollins, 1994 Availability: Items available for loan: Ayers (2)Call number: 597.8 PFE, ...
	3.	What's it like to be a fish? / by Wendy Pfeffer ; illustrated by Holly Keller. by Pfeffer, Wendy, 1929- Keller, Holly [ill.] Series: Let's-read-and-find-out science. Stage 1 Material type: Text; Format: print ; Literary form: Not fiction ; Audience: Juvenile; Publication details: New York : HarperCollins Publishers, 1996 Availability: Items available for loan: Ayers (1)Call number: 597 PFE.
	4.	Sounds all around / by Wendy Pfeffer ; illustrated by Holly Keller. by Pfeffer, Wendy, 1929- Keller, Holly [ill.] Series: Let's-read-and-find-out science. Stage 1. Material type: Text; Format: print ; Literary form: Not fiction ; Audience: Juvenile; Publication details: New York : HarperCollins, c1999 Availability: Items available for loan: Ayers (1)Call number: 534 PFE.