Wow, thanks everyone! Sorry I disappeared overnight, I wasn't expecting so many responses to my reply!
I'm a graphic designer, so there's my secret.

I would be happy to share the files with anyone but you'd need to have Adobe InDesign to open them. Just message me if you do!
But if you only have Word, there would be a way to do this. Go into Page Setup and change your paper size to a 5x8 (that's a standard setting in Word, should be available to everyone), and make it landscape. Widen your margins using the rulers on the side of the application window. Create two columns with Format > Columns. Copy and paste or type whatever info you'd like to have in your booklet. Adjust your type size to be as small as you can read it.
For images, I just took screen shots and sized them down to fit, and rotated when needed. PCs will need to download something in order to take screen shots I think, but once you do it's very easy.
Then just print and assemble your booklet using plain old scotch tape. If you want to get fancy you can use double-sided tape too (I used both).
It probably won't look quite as nice as using the design software, but it'll get the job done and work just fine! I hope that's helpful to everyone who liked the little books. They are quite convenient for keeping in a pocket or a small bag, though they aren't waterproof. We didn't go on Kali and we didn't find this to be a problem anywhere else or in the rain we got caught in one day. They just get a little wrinkly if they get damp!
Oh and I am not old enough to be anyone's MOM so cut that out! (Ok actually I am, but not old enough for the kid to be on a Disney planning website!)
ETA: Oh, and the maps are from DIS user Robo! He has many awesome maps that he shares here on the boards.