Contains many new articles. including descriptions, advice, tips, data, diagrams etc. for all pre-Commando Heavy Twins (Dominator, Atlas, Manxman, Mercury, Nomad, N15, P11 and Matchless/AJS Hybrids. Now with additional pages. This book can be purchased at half price £14, if you become a member of the Club. Either at £15 for e-membership or £22 (via Direct Debit) with a hardcopy of Roadholder magazine delivered to your door for 12 months. Follow the link below to join the Club today.