The available literature on mantids consists of:
Mantis Study Group Newsletters were published between 1996 and 2007. These are available for downloading here.
The majority of information about mantids has been published in the form of scientific papers in a wide variety of journals, bulletins, newsletters, etc. Information on some of these is available here. A searchable literature database is available and includes some papers that may be downloaded.
Details or reviews of some books on mantids are available here.