Satchwell, John. Sorting / [electronic resource] / by John Satchwell ; illustrated by Katy Sleight.. — Pleasant Hill, Calif. : : Discovery Toys,, 1987, c1986.. — [28] p. : : col. ill. ; 18 cm. — (First maths).
0939979004 9780939979004
Counting. Picture books for children. Counting--Juvenile fiction.