Doug J. Cooper
Doug J. Cooper's books
4.31 avg rating — 382 ratings
4.40 avg rating — 134 ratings
4.12 avg rating — 116 ratings
4.27 avg rating — 101 ratings
4.39 avg rating — 95 ratings
4.39 avg rating — 61 ratings
4.52 avg rating — 52 ratings
4.42 avg rating — 36 ratings
4.41 avg rating — 29 ratings
4.17 avg rating — 29 ratings
Doug J. Cooper's series
Crystal (4 books)
4.35 avg rating — 692 ratings
Bump Time Trilogy (3 books)
4.23 avg rating — 181 ratings
