Mammoth (John Varley)
This book centers around the concept of Time Travel, and gives quite a bit of discussion to the concept that there may be limits to science.


Mammoth opens with the billionaire scientist Howard Christian, and his attempts to clone a mammoth
A mammoth is any species of the extinct genus Mammuthus. These proboscideans are members of Elephantidae, the family of elephants and mammoths, and close relatives of modern elephants. They were often equipped with long curved tusks and, in northern species, a covering of long hair...

, largely for the sake of the countless circuses he owns. His team finds a mammoth frozen in ice, along with two human beings, one of whom appears to be wearing a wristwatch. His assistant, Warburton, is initially convinced that this is a joke, but Howard takes the notion of time travel seriously, and hires physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

 Matt Wright to study a metal briefcase which is presumably a time machine. Matt soon falls in love with Susan Morgan, the elephant keeper who is in charge of the mammoth project, who works in the same warehouse.
Two religious zealots and an animal rights activist launch an attack against the mammoth cloners, but accidentally find themselves in Wright's section of the warehouse. One of them whacks the time machine, which, unbeknownst to him, turns on a tiny light in the machine. When Matt and Susan come to the lab to investigate, they are transported back many thousands of years, to the last major ice age. After a few adventures, they return, with a pair of mammoths in tow. They appear in the middle of Los Angeles, where all but two of the mammoths are slaughtered by police and Christian's forces. Matt leaves Susan to work out the details of time travel.
Five years later, Susan is the trainer of the two remaining mammoths, Little Fuzzy and Big Mama. Matt returns, explaining that he had been held captive for weeks in what might have been a government facility. Susan reveals that she wants to free Little Fuzzy.
With the help of another animal rights activist, Susan and Matt bring Little Fuzzy to Canada. When Howard and his movie star girlfriend Andrea go to retrieve the mammoth, they are sent back to the ice age, where they attempt to introduce more advanced (but still primitive) technology to the locals, and Little Fuzzy is allowed to go free.

Critical Reception

This book received four stars on Amazon. SciFiDimensions described the book as 'fit for the grocery lines'.

Chapter Order

The chapters are ordered in chronological order. Due to the extensive use of time travel, on could say that the novel begins In medias res. Interestingly, chapter one is at the end of the book.
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