Eyewitness Science Guides V.1-V.2 

 - London :  Dorling Kindersley,  1991 
 - 2 V :  ill 
<br/><br/><label>ISBN: </label>0863186416 0863186025 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Encycolpedia.<br/>Encyclopedia--Science.<br/>Natural history--Juvenile literature.<br/>Nature--Juvenile literature.<br/>Nature study--Juvenile literature.<br/>Scientific recreations.<br/>Science--Experiments--Popular works.<br/>Science--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>Ref Q121  / E49 1991