Books listed by ISBN
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Delholm Educational
> Janet Redpath
Janet Redpath
J R
title
ISBN-13
(ISBN-10)
year of publication
Delholm Fun Book of Mathematical Puzzles
978-1-870005-00-5
(1-870005-00-7)
1984
One Hundred and Eighty
978-1-870005-01-2
(1-870005-01-5)
1984
Janet Reed