I have been revisiting Fables & Fiends Book 1 lately with MT-32 music, and my enjoyment sadly only lasted until I passed the note to Brynn in the temple (roughly 5 minutes into the game post intro).
It turned out that the game had some sort of "paging" achieved by giving DOS command to save A000 into file called SEENPAGE.TMP and then restoring the screen directly by loading the file into A000, again with int 21 call. Well, this (both reads and writes) locked up the PC I have set up to play the game. One could say I should get a better PC, but sadly it's not quite realistic for me at this stage, so I had no other option but to modify the game.

I have patched out the A000 bit, and had to make the game skip the part where the note is actually shown on the screen, because otherwise the screen was not restored correctly afterwards.
Instead Brandon is shown holding the note in his hands while Kallak's voice is heard reading the text, and pressing the button afterwards makes the dialog continue.

Not sure how many of you have run into the lockup, but the patch is attached for those curious. This one is for English language CD-ROM version.

Note to those trying this: The patch also changes the timer ISR slightly, but if that bothers you, please give a shout and I can make a more targeted version.