4.16 avg rating — 287,553 ratings

3.86 avg rating — 89,082 ratings

3.92 avg rating — 327,250 ratings

3.83 avg rating — 11,049 ratings

"Probably my first Mars book, as it is one of the first science fiction books I read."

3.85 avg rating — 7,877 ratings

3.56 avg rating — 3,095 ratings

3.67 avg rating — 9,583 ratings

3.81 avg rating — 1,226 ratings

"Once you get past the obvious "borrowings" from Heinlein's Podkayne of Mars, it turns into a decent book."

3.92 avg rating — 8,783 ratings

3.66 avg rating — 181 ratings

3.82 avg rating — 1,111 ratings

3.88 avg rating — 1,735 ratings