Both are excellent, quick reads to get you up and running fast
EDIT: These aren't available in only Kindle formats, but PDF, ePub. I looked for the mobi download, but didn't see it direct, so I don't remember if I just converted the ePub to my kindle...anyway, free books with good knowledge.
The Little MongoDB Book: http://openmymind.net/2011/3/28/The-Little-MongoDB-Book/ THe LIttle Redis Book: http://openmymind.net/2012/1/23/The-Little-Redis-Book/
Both are excellent, quick reads to get you up and running fast
EDIT: These aren't available in only Kindle formats, but PDF, ePub. I looked for the mobi download, but didn't see it direct, so I don't remember if I just converted the ePub to my kindle...anyway, free books with good knowledge.