Twenty Years of Twinshock Trials Volume 1. Christmas will soon be here so do not miss this ideal Christmas gift from Yoomee. The book Volume I covers the period 1965-1985 in a pictorial history with many never before published pictures. This is a superb gift for any trials rider priced at £22.99 plus £3.99 (U.K) £6.99 (World). Contact: 01663 733137 or Mail: postmaster@yoomee.co.uk