4.29 avg rating — 1,633,989 ratings

"how can you have a top-100 SF book list without this one?"

4.17 avg rating — 598,222 ratings

"how can you have a top-100 SF book list without this one? I think it shows how SF used to be written: in magazine anthologies"

4.10 avg rating — 1,487,271 ratings

3.89 avg rating — 365,594 ratings

"Yes! As a programmer, I think this book must be included"

4.09 avg rating — 514,729 ratings

"Blade Runner. No more must be written"

4.15 avg rating — 2,436,856 ratings

"Interesting concept for a dystopian future"

4.13 avg rating — 1,064,886 ratings

"Cloned dinosaurs running around. How can it not be on the list"

4.01 avg rating — 246,875 ratings

"Yes. Now that I read again, it's not well written, but RAH presents some interesting ideas about citizenship"

4.16 avg rating — 93,344 ratings

"Loved it. As a programmer, I loved how he sneaks in a Turing machine into the book."

4.07 avg rating — 73,134 ratings

"Best first-contact book I have ever read"

3.59 avg rating — 236,220 ratings

"PKD and alternate history"

3.86 avg rating — 88,864 ratings

4.03 avg rating — 110,631 ratings

"PKD and craziness"

4.04 avg rating — 33,420 ratings

3.91 avg rating — 46,004 ratings

really liked it 4.00 avg rating — 49,090 ratings

"The book I found a little silly, but it should belong on the list"

4.33 avg rating — 14,452 ratings

"First book of the Vor saga I ever read. Very,very good"

4.08 avg rating — 119,090 ratings

"Interesting concept"

3.72 avg rating — 80,475 ratings

"Strange concept, but it works"

4.26 avg rating — 325,547 ratings

"Alan Moore"