I have looked at one or two source books and cannot find anyone who knows.
I'm writing an open source book to stop this happening again.
Someday they'll come back with a source book for me to read.
They might even have read the same source book for something.
The source books were very detailed with information that went beyond what was seen in the films.
There is also a source book based on the characters and settings in the series.
This is called by many as a source book of struggle against European colonial history.
Most designers keep illustrated source books of design history close at hand.
It has also been the source book of many books on Sufism.
The owner is highly experienced and always manages to source books which I have found difficult to get hold of.