| Series | | Books |
| |
| Nora Kelly | | (2018) |
| | | (2018) |
| |
| Other | | The Adventurers [Alpha Adventure] (2015) |
| | | Ape Island [Island That Time Forgot] (2016) |
| | | The Aquitaine Armor [Chyna Stone] (2016) |
| | | The Ark of the Covenant [Phoenix Quest] (2015) |
| | | B is for Bullion [Alpha Adventure] (2014) |
| | | The Babylonian Basilisk [Chyna Stone] (2014) |
| | | Bigfoot Mountain [Sasquatch] (2016) |
| | | C Is for Crystal [Alpha Adventure] (2016) |
| | | The Creature (2017) |
| | | Creatures of Arcadia [Sons of Camelot] (2018) |
| | | D Is for Diamond [Alpha Adventure] (2016) |
| | | The Deal (2018) |
| | | Destroyers of the Lost Garden [Evan Knight] (2018) |
| | | Dinosaur Island [Island That Time Forgot] (2016) |
| | | Dragons of Briton [Sons of Camelot] (2018) |
| | | Drums Along the Hudson (2018) |
| | | E is for Emerald [Alpha Adventure] (2018) |
| | | Fae of Eon [Sons of Camelot] (2018) |
| | | The Falcon Cloak [Cash Cassidy] (2016) |
| | | The Fountain of Youth [Phoenix Quest] (2015) |
| | | G-Man (2018) |
| | | The Hammer of Thor [Phoenix Quest] (2014) |
| | | The Holy Grail [Cash Cassidy] (2015) |
| | | The Hunters (2018) |
| | | A Is for Amethyst [Alpha Adventure] (2014) |
| | | The Ivory Bow [Chyna Stone] (2016) |
| | | The Jaguar God [Cash Cassidy] (2016) |
| | | The Jeweled Crown [Chyna Stone] (2016) |
| | | Keepers of the Lost Garden [Evan Knight] (2015) |
| | | Kidnapped (2018) |
| | | Kingdom of Magic [Sons of Camelot] (2018) |
| | | Kingdom of the Yeti [Sasquatch] (2018) |
| | | The Lair of Beowulf [Phoenix Quest] (2015) |
| | | Little Wolf (2017) |
| | | The Lost City of Gold [Cash Cassidy] (2015) |
| | | The Lost Continent [Cash Cassidy] (2015) |
| | | The Lost Garden [Evan Knight] (2013) |
| | | The Magnificent Disaster [Sacred Thorns] (2018) |
| | | Men of Earth [Sons of Camelot] (2018) |
| | | The Minoan Mask [Chyna Stone] (2014) |
| | | Monster [Sasquatch] (2017) |
| | | The Mummy Codex [Chyna Stone] (2014) |
| | | Neanderthal [Sasquatch] (2022) |
| | | Neanderthal Rising [Sasquatch] (2023) |
| | | The Phoenician Falcon [Chyna Stone] (2014) |
| | | The Quiet Storm [Sacred Thorns] (2018) |
| | | The Raccoon King (2018) |
| | | The Ragged Angel [Sacred Thorns] (2018) |
| | | The Rosary Riddle [Chyna Stone] (2016) |
| | | Sasquatch [Sasquatch] (2016) |
| | | Sasquatch Found [Sasquatch] (2016) |
| | | Sasquatch Resurgence [Sasquatch] (2020) |
| | | The Seal of Solomon [Phoenix Quest] (2018) |
| | | The Shroud of Turin [Phoenix Quest] (2016) |
| | | Smooth Operator (2018) |
| | | Snake Island [Island That Time Forgot] (2016) |
| | | The Snow Giants [Sasquatch] (2017) |
| | | The Spear of Destiny [Phoenix Quest] (2015) |
| | | Steroid Blues (2018) |
| | | Stormy Night [Storm McCoy] (2018) |
| | | Stormy Weather [Storm McCoy] (2018) |
| | | The Target (2018) |
| | | Wizards of Camlann [Sons of Camelot] (2018) |
| |