Spitfire Evolution (including Seafire). Author Paul Beaver
Spitfire Evolution is the first book to identify 73 variants of Spitfire and Seafire.
Its commentary follows the evolution of this remarkable aircraft from its earliest forbears to the final marques (and includes Seafang, Spiteful and numerous small production specialist types).
There are over 80 illustrations by Jon Freeman with additional diagrams illustrating both the technical differences and also a huge variety of liveries.
The author, Paul Beaver, is a well-known writer, biographer, pilot and historian.
This is a very convenient and extremely comprehensive companion/guide