Physical Description:24 p. : col. ill. ; 25 cm.print
Publisher:New York, NY : Crabtree Pub., c2008.
General Note: Includes index.
Formatted Contents Note: Born or hatch? -- Mammals are born -- Pocket babies -- Mother's care -- What is a life cycle? -- Hatching birds -- Reptile changes -- Big frog changes -- Monarch caterpillar -- New butterfly -- Words to know and index.