Robert J. Ackerman
Robert J. Ackerman's books
3.94 avg rating — 1,361 ratings
3.81 avg rating — 135 ratings
4.15 avg rating — 33 ratings
4.07 avg rating — 14 ratings
3.42 avg rating — 12 ratings
4.63 avg rating — 8 ratings
3.89 avg rating — 9 ratings
3.63 avg rating — 8 ratings
it was amazing 5.00 avg rating — 3 ratings