Hello,
Thank you for choosing our product.
You can allow biblio group creation book, lend and all the other operations using BookLibrary : Settings Frontend.
Go to admin area - components - BookLibrary : Settings Frontend and for Show Lend status - choose Yes.
and Allow Lend Requests choose your group biblio.
The same for Show Add book button - chose Show and your group biblio.
It will be available only for that group.
Move in this way.
Follow attached image
If you would like any further information, please do not hesitate to contact us too.
Best Wishes,
Taras
OrdaSoft team