HarperCollins

203 books

4113 pages digital 2013

1728 pages hardcover 2005

768 pages paperback 2001

missing page info 2009

funny informative lighthearted slow-paced

missing page info paperback

nonfiction education reference informative lighthearted medium-paced

missing duration info audio 2009

253 pages

medium-paced

669 pages paperback 1990

305 pages paperback 2005

nonfiction reference informative lighthearted medium-paced

680 pages paperback