In Sponges, young readers learn Sponges live in oceans and fresh water. Some look like plants, but sponges are animals because they are made of animal cells. They are soft-bodied, vary in size from small to very big, and come in different colors and shapes. Cells, atoms, and molecules are described.
 
Softcover, 8×8 in., 24 pages
Word Count 216,  Lexile Measure 370L
A pronunciation guide is included. Reading Level 1-3, Interest Level 2-5.