Beth Felsen's information and resources are at Spectrum Transition Coaching https://spectrumtransitioncoaching.com/ Her course, College 101 and other online courses can be found here https://spectrumtransitioncoaching.com/courses/ A treasure trove of resources for families https://spectrumtransitioncoaching.com/the-ultimate-guide-for-parents-of-autistic-high-school-students/
The book you heard me mention is called A Spectrum of Solutions For Clients with Autism by Rachel Bedard and Lorna Hecker (Eds.) Another great source of information is thinkcollege.net and the K and W Guide to Colleges for Students with Learning Differences https://www.amazon.com/Guide-Colleges-Students-Learning-Differences/dp/0525567895