A Basic Introduction To Cryonics
The Cryonic's Institute's Introduction to Cryonics. 11 printed pages.
Cryonic Suspension
By Henry Kluytmans, a Dutch cryonicist. 5 printed pages.
Cryonics Intro -- A Simple Proposition
Trans Time's Introduction to Cryonics. 3 printed pages.
Cryonics: The Issues
An introduction by Canadian Ben Best, 8 printed pages.
Nanotechnology and Cryonics
An introduction by Jerry Emanuelson of Colorado Futurescience. 3 printed pages.
Ralph Merkle's Cryonics Introduction
Short and useful, but not really "simple." It assumes some knowledge of cryonics already, so read some others first. 3 printed pages, with several internal hyperlinks to other explanations or web pages.
The Cryonics Thesis
The why of cryonics, as understood by the Cryonics Institute.