M2M/IoT: some reference books

Communications and protocols

• The Internet of Things: Key Applications and Protocols -  Olivier Hersent, David Boswarthick, Omar Elloumi - 2012
• M2M Communications: A Systems Approach -  David Boswarthick, Omar Elloumi, Olivier Hersent - 2012

Embedded systems

• Software Engineering for Embedded Systems - Robert Oshana; Mark Kraeling - 2013
• Making Embedded Systems - Elecia White - 2011
  

 Use cases

• Enterprise IoT - an experiment in open publishing