User details Example of updating user baggage via front-end screen
Filter Browsing Example of mechanism available for Filtered Browsing e.g. by Category. N.B. Books aren't well suited to this as it involves Grouping very large numbers and a Subject tree that is 9 levels deep. But should give an idea and demostrate how the code is put together.
Resources Demo Exammple of setting a ListProducts node in any page to list available resources according to any selection criteria required.