Spanish Trials Machines a Pictorial History 1965-2010 (John Hulme 2011)

Survey of trials motorcycles produced by -

ALFER
BULTACO
CLIPIC
GAS GAS
JJ COBAS
MECHATECHNO
MERLIN
MONTESSA
OSSA
SHERCO
XISPA
XPA

122 pages softback, over 200 photos.
So many great trioal riders feature in the story from Sammy Miller to Toni Bou.
I cannot currently find this book listed for sale anywhere else (I may have missed it but at the very least it's not easy to find!)