Ehcache Guide and Reference is available as a book. The price for the high quality bound edition is USD49.95 plus shipping. The price for the downloadable print-ready version is USD37.50. The book has 154 pages.
Many people have asked for a format for the documentation where it can be printed out as a book and even where they can get it. Of course, full documentation in the HTML single page and multi-page versions will always remain available on the site.
Buy it online from Lulu Books.
Adam Murdoch (an all round top Java coder) came up with the name in a moment of inspiration while we were stuck on the SourceForge project create page. Ehcache is a palindrome. We thought the name was wicked cool.
The logo is similarly symmetrical, and is evocative of the diagram symbol for a doubly-linked list. The JDK1.4 LinkedHashMap, and Apache's LRUMap are a HashMap with a doubly-linked list running through all of its entries. These structures lie at the heart of ehcache.
