The official specification on the DITA standard.

Eliot Kimber has just published DITA for Practitioners Volume 1: Architecture and Technology, which is the first of two books he is publishing about the DITA standard. Volume 1 begins with a hand-on explanation of end-to-end DITA processing that will get you up and running fast, followed by an overview of the DITA architecture.

Inside the Book: 

The DITA Reference.

The DITA Pocket Guide is a clear and concise overview of DITA basics in a compact 50-page format.  From topics to maps, from elements and attributes to specialization, it's an indispensable quick reference for beginner and practitioner alike.  The DITA Pocket Guide is packed with valuable information and available free of charge.

Is your DITA User Group on the lookout for resources to provide to members and meeting attendees?  SiberLogic is providing 50-packs of mail-in order cards for our handy and highly recommended DITA Pocket Guide.  The cards are free, the DITA Pocket Guides are free, and shipping (of both cards and guides) is free...  Just email sandi@siberlogic.com with the quantity you need.

"The DITA Pocket Guide is a great resource that DITA users seem to truly appreciate.

An article from: Technical Communication, by Michael Priestley, Gretchen Hargis, Susan Carpenter. Avaialble from Amazon.

By Jennifer Linton and Kylene Bruski, Comtech Services, Inc., March, 2006.