Machines - how they work
Titre:
Machines - how they work
PERSONAL_AUTHOR_EPSB:
Note générale:
Why are wheels round? Why are levers long? What do a battery and a spring have in common? Get all the answers to these questions and many others with the help of the book.
Note locale:
Regular
1-New
Informations de publication:
Sterling Publishing Co., Inc.
