First some disclaimers:
I will refer to mainly English language publications ( and Translations into English)
There will inevitably be other choices: I can only recommend the ones I know from my own experience or from collegial word of mouth.
3.You need to read and practice and play and loose a great many games to derive any benefit from these!
A. There are several comprehensive General Endgame books that will have great coverage of rook endgames that well are worth looking at of which two stand out especially well :
Silman’s Complete Endgame Course -From Beginner to Master: Jeremy Silman - Siles Press November 2006
With detailed explanations and problems in the great teaching style of this Author
Comprehensive coverage endgames in general
You can dip into the table of contents online at what ever retail website you favour
(Interestingly it is also available chess able with a free lesson to try)
Fundamental Chess Endings Karsten Muller & Frank Lamprecht: Gambit Publications- Feb. 2023 Again Comprehensive coverage and eminently readable (I remember learning how to mate with N &B vs K from this)
Secrets of Rook Endgames John Nunn As the title suggests Rook specific Gambit Publications : thorough & up to date (also available on chessable)
Yuri Averbakh & Nikolai Kopayev Comprehensive Chess Endings Volume 5 Pergamon Press (1980’s was my edition- now out of print) But presently available via Ishi Press 2013
Dvoretzky’s Endgame Manual: Mark Dvoretzky (& revised by Karsten Muller) 5th Ed. Russell Enterprises 2020 Advanced material.
4.Pal Benko Endgame Laboratory Ishi press 2007
(Collected Magazine Articles from the authors Chess life contributions in the 1980’s)
1.Total Chess Endings GM Alexander Panchenko: Extremely good value for money by comparison to other available sofware and you have the advantage and convenience of drill exercises to practice with.
2.Chessbase has a comprehensive set of Endgame DVD’s from Lamprecht and Muller
D. Finally : Do not despair and enjoy the Quest whatever it brngs !