What are the top-quality Stephen E. Ambrose books?

[Senior2315]

What are the top-quality books by Stephen E. Ambrose? I'd like to read some of his work.

[Virgil]

I haven't read it, but his book on Louis and Clark is supposed to be an outstanding read. I think it's called Undauted Courage.

[Patrick_Bateman]

Pegasus Bridge