Has anyone considered what book they would take with them during an extreme emergency?

[Linda]

If you found yourself in the unenviable position of running out the door with nothing except your go pack... what books would you wish you had? Would you ever consider hand writing books in the event they were no longer available?

[Sheri]

I am just starting on my journey into survivalism, but I think that I would like a 'field guide' of edible plants.