Palm OS Network Programming - Covers the Palm Net Library and networking concepts such as transport protocols and client-server applications. Examples illustrate how the many Palm-specific nuances relate to effective Palm network programming. - http://www.oreilly.com/catalog/palmosnetpro/
Palm Programming: The Developer's Guide - This tutorial-style book shows intermediate to experienced C programmers how to build a Palm application from the ground up. - http://www.oreilly.com/catalog/palmprog/
Chapters from PalmPilot: The Ultimate Guide, 2nd Edition - Sample Chapters from David Pogue's bestselling book, "PalmPilot; The Ultimate Guide Second Edition". The chapters online include: Chapter 11: The Secret Multimedia World Chapter 15: Paging, Faxing, Printing & Beaming Chapter 17: Troubl - http://www.oreilly.com/catalog/palmpilot2/chapter/