The Last Hero, Terry Pratchett
I have to confess to being very disappointed that the only Audible version of THE LAST HERO available seems to be an abridged version (4 hours and 24 minutes worth), unless I'm older and blinder than I thought I was. Which is also part of the reason that I really love this book so much. Cohen the Barbarian is no youngster, and he's on a final quest to climb the highest mountain in the Discworld and meet his gods. He doesn't like the way they let men grow old and die, and they should be bloody worried about that. Cohen might struggle to remember where he put his teeth these days, but he does a good line in long remembered grudges. End of the world or no end of the world.
Madness ensues, as you'd expect, and the band of brothers (grandfathers / okay probably g-g-g-grandfathers to be honest) that make up his "crew" have still got it, or they did have if they could remember what it was, better still, if they could get their medication levels sorted out.
Needless to say, all a bit crazy, all a bit manic and laugh out loud to boot.
He's been a legend in his own lifetime. He can remember the great days of high adventure. He can remember when people didn't tell you off for killing dragons. But he can't always remember, these days, where he put his teeth.
Now, Cohen the Barbarian is going on one final quest. He's going to climb the highest mountain in the Discworld and meet his gods. He doesn't like the way they let men grow old and die. The last hero in the world is going to return what the first hero stole. With a vengeance.
That'll mean the end of world, if no one stops him in time. Someone is going to try. So who knows who the last hero really is?