4.17 avg rating — 597,258 ratings

"An immensely good retelling of the the collapse of the Roman Empire set on the far future. this book explains the patterns and meanings of history. It has interesting characters, world and story. "

4.22 avg rating — 226,786 ratings

"The continuation of the Science Fiction. In this Asimov throws in a wild card, the mule. A being that can control the emotions of men."

4.28 avg rating — 203,103 ratings

"The mule, like Attila the Hun has conquered the world and the world has change. Like it's predesccessors this book has plenty of character, world and story."

4.07 avg rating — 73,087 ratings

"This book has amazing story and thrills. It always keeps the reader on edge and afraid for the character. This is the quintessential thriller."