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The kids' invention book
Título:
The kids' invention book
PERSONAL_AUTHOR_EPSB:
Resumen:
Profiles eleven inventors between the ages of eight and fourteen, describes the steps involved in inventing a new product, and discusses contests, patents, lawyers, and clubs.
Fecha de publicación como intervalo:
2001,
1997
Descripción física:
64 p. : col. ill.. ; 23 cm.
EPSB_521_2:
3-6
Información del programa:
Blue Level O
ISBN:
9780439271097
Información de publicación:
Toronto, ON : Scholastic, 2001, c1997.