Definitely need to get a copy of The Oregon Trail. And, yes, I've been reading up on LOGO! I just read a great book called Mindstorms written by Seymour Papert (inventor of LOGO and the Turtle robot) about his educational theories behind LOGO and using computers to help children learn how to learn. I highly recommend checking it out - here are my book notes: https://www.charlieharrington.com/mindstorms