3.52 avg rating — 23 ratings

"From today to way back..."

liked it 3.00 avg rating — 4 ratings

"Fantastic sequel to The Time Machine."

3.59 avg rating — 252 ratings

"Fascinating cross-genre combo of mystery and time travel.
"

3.86 avg rating — 210 ratings

4.75 avg rating — 4 ratings

"Good tinme travel story focusing on 09/11."

3.57 avg rating — 14 ratings

"Time travel is just part of this scientific mixture."

3.44 avg rating — 183 ratings

really liked it 4.00 avg rating — 7 ratings

"Time machine and Neandertals and sabre tooth tigers ..."

4.50 avg rating — 118,624 ratings

"A Nigt Watch story that uses time travel.
"

4.32 avg rating — 731 ratings

4.09 avg rating — 2,757 ratings

"Good Oregon Trail tale."

4.14 avg rating — 596 ratings

"Another good book in the series."

it was amazing 5.00 avg rating — 1 rating

"Great collection of short stories about time travel."

0.00 avg rating — 0 ratings

3.82 avg rating — 14,221 ratings

"Good post-apocalyptic story."

4.41 avg rating — 818 ratings

"Another fun book in the Alien series."

3.32 avg rating — 841 ratings

"Great hard SF book."