I finished Flashman Papers number 6 per Flakes suggestion last week then went back to Alan Dean Fosters Pip and Flinx series.
Flashman 1 is a solid novel that is pretty much Flake in the late 1800s British army. 2 is The Prisoner of Zenda through a Flashman lens. 3-6 are all "put Flashman here" stories and it gets a bit formulaic. They are decent enough reads, but the first really stands out as a solid novel. Just know its a 60s British novel about the colonial times - there is alot of foul language and sex, and no they are not about a Megaman enemy.