Christopher Essex

6 books

1039 pages paperback 2003 not a book user-added

nonfiction

missing page info 1990

challenging informative slow-paced

1168 pages hardcover 1990

nonfiction mathematics science informative slow-paced

missing page info 2015

nonfiction politics science challenging informative medium-paced

352 pages paperback

nonfiction mathematics

356 pages 2003

nonfiction challenging informative medium-paced