Synchronous Technology for History-Based Users
This was a book on Solid Edge, published using ST8 (~2016). It is 10 chapters long, in eBook (pdf) format with movies and sample files. It is free and downloadable, although you may have to give up some information to get it. You may find the book published under a different title. The book is meant to help users of history-based CAD understand why Synchronous Technology is a tool you will want to have.