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Roger Day

20 books

224 pages hardcover 2001

80 pages paperback

nonfiction childrens mathematics

52 pages paperback

nonfiction psychology

867 pages hardcover

nonfiction mathematics medium-paced

1006 pages hardcover

nonfiction mathematics

760 pages hardcover

nonfiction childrens mathematics medium-paced

158 pages paperback 2003

164 pages paperback

nonfiction psychology medium-paced

missing page info digital 2009

344 pages 2009

nonfiction history hopeful informative inspiring fast-paced