Books & Cruising Guides Please find below our cruising guides and other books and publications. CA members, please login to receive discounted charges. If you are not yet a member and want to join the CA and benefit from the member discounts, please go to www.theca.org.uk/applications. Please note: Postage and packing will added to the cost after you add your delivery address. For Discounted Imray Products, members can go to the Imray CA Discounts page.