GCG maintains a large library of caving related books and periodicals that are free to members to check out and use.
| No. | Title | Media | Author | Currently Checked out by: |
| 100 | Alpine Karst | Magazine | Magazine | |
| 101 | American Caves | Book | Russell & Jeanne Gurnee | |
| 102 | Adventure of Caving | Book | David McClurg new edition | |
| 103 | Caving in America / Story of the NSS 1941-1991 | Book | Paul H. Damond editor | |
| 104 | Caving Basics | Book | Jerry Hassemer &Tom Rea revised edition | |
| 105 | Cave Minerals of the World | Book | Carol Hill & Paolo Forti 2nd edition | |
| 106 | Manual of U.S. Cave Rescue Techniques | Book | Steve Hudson 2nd edition | |
| 107 | Caverns of the Ozarks | Book | ||
| 108 | Craters, Caverns and Canyons | Book | Jon Erickson | |
| 109 | Discovery of Luray Caverns, Virginia | Book | Russell Gurnee | |
| 110 | Advanced Rockcraft | Book | Royal Robins | |
| 111 | Basic River Canoeing | Book | Robert E. Mcnair | |
| 112 | One Hundred Miles In Mammoth Cave-In 1880 | Book | H. C. Hovey | |
| 113 | Piatra Altarlui | Book | G.E.S.S. | |
| 114 | On Station | Book | George Dasher | |
| 115 | On Canadian Caverns | Book | George Gibb | |
| 116 | Features of a Small Cavern Marengo | Book | Marion M. Fidlar | |
| 117 | Lost River at Wesley Chapel Gulf | Book | Clyde A. Malott | |
| 118 | The Wonders of Lost River | Book | Robert A. Armstrong | |
| 119 | Living on Karst | Book | Cave Conservancy of the Virginias | |
| 120 | Hudelson Cavern | Book | Clyde A. Malott | |
| 121 | A Guide to Responsible Caving | Book | NSS Adrian Sira | |
| 122 | Ten Indiana Caves and the Animals Which Inhabit Them | Book | W.S. Blatchley | |
| 123 | Geologic Profile of Sloans Valley | Book | Clyde A. Malott & Preston McGrain | |
| 124 | Fern Cave | Book | Donal Myrick | |
| 125 | The Fauna of Mayfield’s Cave | Book | Arthur M. Banta | |
| 126 | Basic Rockcraft | Book | Royal Robins | |
| 127 | Robert’s Rules of Order – revised | Book | Henery M. Robert III | |
| 128 | 21st Century Robert’s Rules of Order | Book | Laurie E. Rozakis | |
| 129 | Robert’s Rules of Order | Book | Mary A. Devries | |
| 130 | In Ohio’s Backyard : Bats | Book | Jacqueline J. Belwood | |
| 131 | Bats of the Eastern United States | Book | Michael J. Harvey | |
| 132 | America’s Neighborhood Bats | Book | Merlin D. Tuttle | |
| 133 | Technical Rescue Riggers Guide | Book | Rick Lipke | |
| 134 | Speleogenesis Evolution of Karst Aquifers | Book | NSS | |
| 135 | Speleogenesis Evolution of Karst Aquifers | Book | NSS | |
| 136 | Celebrated American Caves | Book | Charles E. Mohr & Howard N. Stone | |
| 137 | Wild Resources In Mammoth Cave National Park | Book | CRF study | |
| 138 | Wild France | Book | Douglas Botting | |
| 139 | The Underground Atlas | Book | John Middleton & Tony Walthham | |
| 140 | The Underground Atlas | Book | John Middleton & Tony Walthham | |
| 141 | Natural History of Texas Caves | Book | Ernest L. Lundelius & Bob H. Slaughter | |
| 142 | The Swallow-Holes of Lost River Orange County IN | Book | IKC Clyd A. Malott | |
| 143 | Bats Biology and Behavior | Book | John D. Altringham | |
| 144 | Silently By Night ( world of bats) | Book | Russel Peterson | |
| 145 | Caverns Measureless to Man | Book | Sheck Exly | |
| 146 | Bats of the Eastern United States | Book | Michael J. Harvey | |
| 147 | America’s Neighborhood Bats | Book | Merlin D. Tuttle | |
| 148 | Speleodigest 1983 | Book | NSS | |
| 149 | Speleodigest 1984 | Book | NSS | |
| 150 | Speleodigest 1987 | Book | NSS | |
| 151 | Speleodigest 1988 | Book | NSS | |
| 152 | Speleodigest 1992 | Book | NSS | |
| 153 | Speleodigest 1993 | Book | NSS | |
| 154 | Speleodigest 1994 | Book | NSS | |
| 155 | Speleodigest 1996 | Book | NSS | |
| 156 | Speleodigest 1996 | Book | NSS | |
| 157 | Speleodigest 2000 | Book | NSS | |
| 158 | Speleological Literature of the English Language 1794-1996 | Book | Northup, Davis Mobley, Ingham III, Mixon | |
| 159 | Safe Cave Diving | Book | Tom Mount | |
| 160 | NSS Cave Diving Manual | Book | Joe Prosser, H.V.Grey | |
| 161 | The Saltpeter Empires of Great Saltpetre Cave & Mammoth Cave | Book | Angelo I. George | |
| 162 | Eyes on Nature – BATS | Book | ||
| 163 | Bats of the Eastern United States | Book | Michael J. Harvey | |
| 164 | A Guide to Responsible Caving | Book | Adrian Sira – NSS | |
| 165 | American Caving Accidents 1967 – 1970 | Book | NSS | |
| 166 | EPA Cave and Karsy Terminology | Book | EPA | |
| 167 | 1986-87 census/non priority hibernacula | Book | Indiana Dept. Natural Resources | |
| 168 | Inside Earth | Magazine | Magazine | |
| 169 | Lehman Caves / Management Plan | Book | ||
| 170 | Gypsum Karst of the World | Book | ||
| 171 | Saltpeter | Book | NSS bulletin | |
| 172 | Biological Assessment / Grey Bat 1988-1989 | Book | Deborah Zimmerman | |
| 173 | Wilderness Resources in Mammoth Cave | Book | CRF study | |
| 174 | Hypothermia | Book | Wm. Forgey MD. | |
| 175 | Leave No Trace Caving Ethics | Book | ||
| 176 | NSS News Members manual 2000 | Book | ||
| 177 | NSS News Members Manual 1999 | Book | ||
| 178 | Speleo Brazil 2001 | Book | ||
| 179 | U C Horizons Cave article | Book | ||
| 180 | 8th International Congress of Speleoligy Program | Book | ||
| 181 | 8th International Congress of Speleoligy Guidebook Appalachians | Book | ||
| 182 | Under Plowman’s Floor | Book | Richard Watson | |
| 183 | Trapped | Book | Robert K. Murray & Roger W. Bruker | |
| 184 | Alice’s Adventures Under Ground | Book | Lewis Carroll | |
| 185 | Where The Sun Don’t Shine | Book | Fred Wefer | |
| 186 | The Man From The Cave | Book | Colin Fletcher | |
| 187 | Cave Passages | Book | Michael Ray Taylor | |
| 188 | Tales From The Hills | Book | John Lair | |
| 189 | Trapped In A Cave | Book | Deborah Morris | |
| 190 | Caves Of Mystery | Book | John Scott Douglas | |
| 191 | The Longest Cave | Book | Roger Brucker & Richard Watson | |
| 192 | Beyond Mammoth Cave | Book | John Borden & Roger Brucker | |
| 193 | Modern Archaeology | Book | David Browne | |
| 194 | Deep Secrets discovery of Lechuguilla | Book | Kambesis | |
| 195 | On Call | Book | NSS RESCUE MANUAL | |
| 196 | Caving Basics | Book | NSS GUIDE FOR BEGINNERS | |
| 197 | On Station | Book | NSS HANDBOOK FOR SURVEY | |
| 198 | Beyond The Deep | Book | William Stone, Barbara am Ende, & Monte Paulsen (Contributor) | |
| 200 | The Miner’s Flame Light Book | Book | by Henry A. Pohs | |
| 353 | Bats of the World | Book | by ? | |
| 400 | Fire Down Below | Video – DVD | Movie – Steven Segal – Shot at Great Saltpeter Cave | |
| 401 | Kentucky Seamless USGS Topo Maps | CD-Rom | National Geographic | Neena Jud |
| 402 | Mysteries of the Caverns | Video – VHS | Video – Information on caves – Shot with GCG members | |
| 403 | Technical Rescue Seminar | Video – VHS | Video – Technical training, Tyrolean Traverse | |
| 404 | Cave Safe 2 | Video – VHS | Video – Information on Ropes, Rigging, Ladders & Lifelines | |
| 405 | Technical Rescue Seminar | Video – VHS | Video – Spinal Immobilization, Packaging & litter Lowering | |
| 406 | Technical Rescue Seminar | Video – VHS | Video – Anchor Systems, Rappel and Ascending | |
| 407 | Technical Rescue Seminar | Video – VHS | Video – Litter Types, Litter Rigging | |
| 408 | Technical Rescue Seminar | Video – VHS | Video – Helicopter Capabilities & Limitations | |
| 409 | Technical Rescue Seminar | Video – VHS | Video – Manual Hauling, Counter – Balance Systems | |
| 412 | Technical Rescue Seminar | Video – VHS | Video – Solo Rescue, Traveling Brake Litter, Night Rescue | |
| 414 | Fire Down Below | Video – VHS | Movie – Steven Segal – Shot at Great Saltpeter Cave | |
| 415 | Cave Safe 3 | Video – VHS | SRT and Advanced Ropework | |
| 416 | Lets Go Caving | Video – VHS | Introduction to Caving | |
| 417 | Luray Caverns | Video – VHS | Show Cave | |
| 418 | Bridge Day | Video – VHS | Base Jumpers and Cavers Rappelling | |
| 430 | American Heritage | Book | by ? | |
| 431 | All Nine Alive! | Book | by Pittsburgh Post Gazette | |
| 432 | Cave Conservation and Restoration | Book | by National Speleological Society | |
| 433 | Universal Study Guide for Cave Rescue | Book | by National Speleological Society | |
| 434 | Underground in the Appalachians | Book | by National Speleological Society | |
| 435 | On Caves and Cameras | Book | by National Speleological Society | |
| 436 | Caves Exploring Hidden Realms | Book | by Michael Ray Taylor | |
| 437 | Encyclopedia of Caves | Book | by David C. Culver | |
| 438 | The Greatest Adventures of all Time | Book | by Life | |
| 439 | Caves of Colorado | Book | by Lloyd E. Parris | |
| 442 | On Rope | Book | By Bruce Smith and Allen Padgett | |
| 443 | Blind Descent | Book | by James M. Tabor | |
| 444 | Bats of the World | Book | by Gery L. Graham and Fiona A. Reid |