I nominate
The Mysterious Island by
Jules Verne.
Harry did this one, and here is what he says about it...
A loose sequel to "20,000 Leagues Under the Seas", "The Mysterious Island" tells the story of 5 men who crash-land on an uninhabited Pacific island after their balloon is caught in a hurricane. Starting with almost no resources, the book tells how they build "civilisation" from nothing. But the island has a mysterious secret...
This is one of my favourite Verne novels, and much less well-known than it deserves to be. The TV Series "Lost" was originally inspired by this book.
Kindle
https://www.mobileread.com/forums/showthread.php?t=20977
ePub
https://www.mobileread.com/forums/showthread.php?t=54241