I recall that in AC9 (on Windows version), I could paste linked excel spreadsheets or linked word documents into a layout book. It was great, provided the links did not get lost (which happened often
Perhaps GS could re-look at a robust way of embedding them into AC.
We ended up using them for drawing lists, specifications, tables, etc. What was even better is that when we exported them, they exported as vector.
We now have resorted to using pdf's which is not great when exporting to other cad formats (they're not vector) and you're never sure they are the latest version.