Power (Mechanics) -- Juvenile literature

Books

Energy isn't easy
Smith, Norman Alfred Fisher 
Publisher: Coward-McCann
ISBN10: 0698205847 ISBN13: 9780698205840 DDC: 621.042 LCC: TJ163.23 Edition: (jacket) :$12.95

Energy for the 21st century
Branley, Franklyn Mansfield  Roth, Henry 
Publisher: Crowell
ISBN10: 0690007566 ISBN13: 9780690007565 DDC: 333.7 LCC: TJ163.2

Energy: new shapes/new careers
Millard, Reed 
Publisher: J. Messner
ISBN10: 0671424785 ISBN13: 9780671424787 DDC: 621.042 LCC: TJ163.23