Jordan Mechner's Prince of Persia journal [1]. I also have "Blood, sweat and pixels" on my reading list [2].
1: https://www.jordanmechner.com/store/the-making-of-prince-of-...
2: https://www.harpercollins.com/9780062651235/blood-sweat-and-...
1: https://www.jordanmechner.com/store/the-making-of-prince-of-...
2: https://www.harpercollins.com/9780062651235/blood-sweat-and-...