4.48 avg rating — 55,191 ratings

"Yes, this book is so strong, that I want to read it again. Main thing this real Jack London story in fiction style, that he wrote by himself."

4.03 avg rating — 207,723 ratings

"Read it twice and after year will read again."

it was amazing 5.00 avg rating — 3 ratings

"Unique book, which wanted to read once more and get all future life culture in 30th century. "