CATALOGUE of CONTINENTAL AUTOGRAPH LETTERS, LITERARY MANUSCRIPTS and HISTORICAL DOCUMENTS INCLUDING IMPORTANT WORKING NOTES by EINSTEIN about the RELATIVISTIC THEORY of GRAVITATION. ... Day of Sale: Wednesday, 30TH May, 1979

POSTAGE - Orders usually ship within 2/3 business days. Shipping costs are based on books weighing 2.2 LB, or 1 KG. If your book order is heavy or oversized, we may contact you to let you know if extra shipping is required. Overseas postage will be sent by airmail if you select priority and surface if you select standard postage. Surface mail to the United States or Canada can take up to six weeks, and up to twelve weeks to Australia and New Zealand. We use only good quality materials and the utmost care when packaging our books to ensure they arrive in the best possible condition. In the unlikely event that your book does not arrive within the specified shipping period, please feel free to contact us direct. Please provide your name, address and the details of your order. PAYMENT METHODS - We accept payment via credit card (except AMEX),PAYPAL or by UK Cheque or UK Postal Order. Direct Bank payments are NOT accepted. Payment must be received within 7 days unless by prior agreement. HOW TO PAY - To pay by Paypal please e-mail us for an invoice. If paying by cheque (UK only) or postal order (UK only), please send your payment including full details of your purchase to : Literary Cat Books. Belfalas, 46 Faenol Isaf, Tywyn, WALES. LL36 0DW. For all credit card payments please telephone 01654 710223 or 07805365439 with your purchase details, reference number, delivery address and contact telephone number. CONDITION: For our new books, which are mostly publisher's remainders, small number of these may have minor imperfections, we would always inform you in our description of any visible imperfection should there be one, remainder marks are noted. With second-hand, rare & antiquarian books, and all our original antique prints we make every effort to describe the condition of these items as accurately as possible. We are proud to be members of the Independent Online Bookseller's Assocation and aim to provide you with a safe, trustworthy, friendly and professional service at all times.