Machines help us do work.
Titre:
Machines help us do work.
Date de publication comme intervalle:
1900-1999
SERIES_EPSB:
Note générale:
Contains 6 copies each of the Concept Book and 2 Nonfiction Books (Machines Help us do Work, Wheels, Simple Machines) (18 books total), Theme Builder, Audiolessons on CD, and a Teacherś Guide
Numéro international normalisé des livres (ISBN):
9781426353550
