Earth Inspectors
مجموعه کتابها
توسط Richard Brightfield
جدیدترین:
1990
کتاب 1
America: Why Is There an Eye on a Pyramid on the One Dollar Bill
توسط Edward Packard
کتاب 2
کتاب 3
کتاب 4
کتاب 5
کتاب 6
Africa: Where Do Elephants Live Underground?
توسط Edward; Carter Barbara Packard, Barbara Carter
کتاب 7
China: Why Was an Army Made of Clay?
توسط Richard Brightfield, Madeline Sorel, Glory Brightfield
کتاب 8
U.S.A.: What Is the Great American Invention?
توسط Richard; Carter Barbara Brightfield, Barbara Carter
کتاب 9
کتاب 10
کتاب 11
کتاب 12