The RPL textbook is now up to date and relevant errata will be listed here. The errata list below also includes entries for the previous edition of this text, "Basic Aeronautical Knowledge (BAK)".
The table of contents page has been updated it now reads like this
The colour of mogas has changed in recent times. It now depends upon the grade. Regular is greenish/bluish, Midgrade is yellowish and Premium is pink.