Sell, buy or rent Mathew Crawford textbooks

Intermediate Algebra: Art of Problem Solving

by Richard Rusczyk, Mathew Crawford
ISBN-13: 9781934124048
ISBN-10: 1934124044
Edition: First Edition
Publication date: 2008
Publisher: Aops Inc
Format: Paperback 699 pages

Introduction to Number Theory (Art of Problem Solving Introduction)

by Mathew Crawford
ISBN-13: 9781934124123
ISBN-10: 1934124125
Edition: 2
Publication date: 2008
Publisher: Aops Inc
Format: Paperback 314 pages

Introduction to Number Theory by Mathew Crawford (2006) Hardcover

by Mathew Crawford
ISBN-13: 9780977304547
ISBN-10: 097730454X
Publication date: 2006
Publisher: AoPS Inc.
Format: Hardcover 336 pages