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cover of Elements of Reasoning (2ND 00)

by Edward P.J. Corbett...

Cover Type: Paperback
ISBN13: 978-0205315116
ISBN10: 0205315119

cover of Problem Solving Strategies : Crossing the River with Dogs and Other Mathematical Adventures (2ND 01)

by Ted Herr and Ken Jo...

Cover Type: Hardback
ISBN13: 978-1559533706
ISBN10: 1559533706

cover of Socratic Logic 3.1 ((REV)14)

by Peter Kreeft

Cover Type: Hardback
ISBN13: 978-1587318085
ISBN10: 1587318083