Solar Astronomy Handbook, Beck - Hilbrecht - Reinsch - Volker
546 Pages, Hard Cover. Willmann-Bell Inc. ISBN 0-943396-47-6
http://www.willbell.com/handbook/hand6.htm
Not the cheapest option. It's meaty yet accessible. And certainly not patronising.
I got my copy from Bintel in Melbourne.
Regards,
TT