The Basic Conversions Handbook for Apple, TRS80, and PET Users

Basic Conversions Handbook for Apple, Commodore, TRS-80 and Atari Users

Atari XL User's Handbook by WSI Staff

ATARI XE User's Handbook by Weber Systems, Inc.

User's Handbook to the Atari 400 / 800 Computers by Jeffrey R. Weber

User's Handbook to the Atari 400 / 800 Computers

NS THE BASIC COMPILER by Datasoft for Atari 400 / 800

NS OSS BASIC A+ Version 3.05 by Optimized System Software for Atari