Alternative Universes

1.
Flatland: A Romance of Many Dimensions
Flatland: A Romance of Many Dimensions 3.81 avg rating — 75,633 ratings
2.
Threader Origins (Quantum Empirica, #1)
Threader Origins (Quantum Empirica, #1) 3.63 avg rating — 43 ratings
3.
The Number of the Beast
The Number of the Beast 3.62 avg rating — 13,258 ratings
4.
The Ragged Astronauts (Land and Overland, #1)
The Ragged Astronauts (Land and Overland, #1)
by: Bob Shaw
3.70 avg rating — 493 ratings
5.
Einstein’s Dreams
Einstein’s Dreams 4.06 avg rating — 42,081 ratings
6.
The Arrows of Time (Orthogonal #3)
The Arrows of Time (Orthogonal #3)
by: Greg Egan
4.06 avg rating — 773 ratings
6.
Green Mist Rising (Green Mist Chronicles, #1)
Green Mist Rising (Green Mist Chronicles, #1) 3.67 avg rating — 3 ratings
6.
Unju - The Jump
Unju - The Jump 4.70 avg rating — 20 ratings
9.
The Eternal Flame (Orthogonal, #2)
The Eternal Flame (Orthogonal, #2)
by: Greg Egan
3.97 avg rating — 954 ratings
10.
The Clockwork Rocket (Orthogonal, #1)
The Clockwork Rocket (Orthogonal, #1)
by: Greg Egan
3.65 avg rating — 2,350 ratings
11.
Raft (Xeelee Sequence, #1)
Raft (Xeelee Sequence, #1) 3.68 avg rating — 4,621 ratings
12.
The Gods Themselves
The Gods Themselves 4.09 avg rating — 67,337 ratings
13.
Celestial Matters
Celestial Matters 3.73 avg rating — 401 ratings
14.
Mainspring (Clockwork Earth #1)
Mainspring (Clockwork Earth #1)
by: Jay Lake
3.21 avg rating — 2,184 ratings
15.
Escapement (Clockwork Earth #2)
Escapement (Clockwork Earth #2)
by: Jay Lake
3.65 avg rating — 517 ratings
16.
Pinion (Clockwork Earth #3)
Pinion (Clockwork Earth #3)
by: Jay Lake
3.79 avg rating — 243 ratings
17.
The Inverted World
The Inverted World 3.95 avg rating — 10,475 ratings
18.
On
On 3.47 avg rating — 314 ratings
19.
Mr Tompkins in Wonderland
Mr Tompkins in Wonderland 4.18 avg rating — 207 ratings
20.
Mr Tompkins in Paperback: Mr Tompkins in Wonderland/Mr Tompkins Explores the Atom
Mr Tompkins in Paperback: Mr Tompkins in Wonderland/Mr Tompkins Explores the Atom 4.21 avg rating — 912 ratings
21.
Sphereland: A Fantasy About Curved Spaces and an Expanding Universe
Sphereland: A Fantasy About Curved Spaces and an Expanding Universe 3.65 avg rating — 461 ratings