Why not use the list below as inspiration when buying gifts for an organist. If you’re looking to fill a box for an organ scholar see The Organ Scholar Gift List for some novel and useful ideas.
Books– plenty of recommendations
Membership to an Organisation (or two)
Music, for the extra special gift how about the Complete Organ Works, available from a variety of retailers?
DVD‘s – various available, including The English Organ
CD‘s – various available from these retailers
The Organ Manual 