The following Speleo Digests are for sale. All are paperback, the bindings are secure, the pages are clean, all are in good condition (some covers may show minor wear).
1972 Speleo Digest, $4.00
1973 Speleo Digest, $4.00
1974 Speleo Digest, $4.00
1975 Speleo Digest, $4.00
1976 Speleo Digest, $4.00
1977 Speleo Digest, $4.00
1978 Speleo Digest, $4.00
1980 Speleo Digest, $4.00
1981 Speleo Digest, $4.00
All books are subject to prior sale - first come, first served. Please add a $3.00 shipping charge to your total order for shipment via USPS Media Mail to any U.S. address (international shipping is actual postage - ask).