Astounding Stories, May, 1931. Dark Moon by Charles W. Diffin & When Caverns Yawned by Captain S.P. Meek. Collectible Pulp Magazine

Orders processed and shipped (via USPS) every Monday, Wednesday and Friday.
~~~You may pay by credit card, U.S. check, U.S. cash, U.S. money order, or paypal.
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~~~We are happy to accept payments via PAYPAL, once you place your order, we will send you a PAYPAL invoice. Or you may send the total amount due to Payment@OnceReadBooks.com
~~~If you wish to order by phone please call 562-420-1034 ONLY on Monday, Wednesday & Friday from 10am to 7pm Pacific Time.
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~~~PLEASE EMAIL FIRST for confirmation if you have any questions prior to purchase.
~~~2 week holds, Dropship OK.
~~~ Your items will be wrapped in plastic & securely packed (in shipping boxes if over $15) with biodegradable and/or recycled foam packing pellets. Free USPS delivery confirmation for domestic orders.
~~~ All items subject to prior sale, as we have an open shop it does happen from time to time.
~~~Returns for any reason, must have RMA#.
~~~If you are in the area you are welcome to stop by in person to pick up anything we have listed.
~~~Insurance included (when possible) at no extra charge.
~~~Shipping costs are based on books weighing 2.2 LB, or 1 KG. If the book you order states HEAVY or OVERSIZE in the description, there will likely need be an additional shipping fee charged if you have chosen the PRIORITY MAIL option (this charge will vary from $1 to $15 depending on the final weight of the package and your shipping location, but will most likely be only $2-$4, and will not exceed $15).
If you would prefer to be contacted with the exact amount prior to shipping PLEASE tell us so in the order, if there is no message to that effect we will assume you want the book as quickly as possible and we will ship immediately - as that is what our customers have overwhelmingly requested.
In absence of a note to the contrary your order constitutes authorization for full payment of the Actual shipping charge. California customers must be charged 8.25% State Sales Tax (calculated on book price prior to shipping) which will be added to the total.
Foreign orders for books priced US$94 or more will only be shipped via Parcel Post, which will be around US$19-24 for Surface and near US$22-29.00 for Air.