Murphy, Stuart J. 1942- creator Smith, Cat Bowman ill. text nyu New York, NY HarperCollins c2000 2000 monographic eng

print

33 p. : col. ill. ; 22 x 26 cm. As they consider sorting their rock collection by color, size, type, and hardness, Josh and Amy learn that the same objects can be organized in many different ways. juvenile by Stuart Murphy ; illustrated by Cat Bowman Smith. "Classifying; Level 3." Set theory Juvenile literature QA248 .M78 2000 98-032128 DLC 070412 20230110144615.0