// The Citadel Store
The library, on the shelf.
Flip through every course and eBook like a record collection. Buy any piece on its own — or get all of it included free with a founding membership.
Get everything — past and present.
One membership unlocks the entire archive — every course and eBook, every new release as it drops, the community, and the platform. As long as your membership stays active, you have access to all of it. Cancel anytime; access continues while you’re subscribed, and ends if you cancel.
Join — $49/mo →Buy a piece — own it forever.
Prefer to buy one course or eBook on its own? It’s yours permanently, kept in your library on our platform — no subscription required. You keep whatever you buy, forever. (You get just that item — membership is the only way to unlock the full, ever-growing archive.)
Flip through the shelves below ↓// Available now · à la carte
On the shelf today
The first pieces you can own right now.
Intro to the Art of Keeping Reptiles
Tom Crutchfield · George Van Horn · Ty Park · Steve Angeli · Stacy Crutchfield
// Master Classes · 19 coming
The Master Classes
Full courses with the people who built this field. Browse what's coming.
Kevin McCurley Master Class
Kevin McCurley
// eBooks · 22 coming
The eBook Library
A growing wall of interactive care guides and life stories — flip through them like albums.
Species Care Series
Citadel Faculty
Free · no membership needed
A growing shelf of free resources — quick-start care guides and generous previews of our eBooks, packed with real, usable information.
Quick-start care guides
Free starter guides for popular species — the essentials to get going right.
Read free →eBook previews
Read substantial free previews of our interactive eBooks before you buy.
Read free →Cerebro — $99/mo
The collection-management platform on its own. (Included free with any membership.)
À-la-carte prices shown are per item. The smartest value is membership — everything included for $49/mo.