Required books:
Douglas Laycock & Richard Hasen, Modern American Remedies: Cases and Materials Concise 5th edition (Wolters Kluwer, 2019). Be sure that the book you buy is both the 5th edition and the concise edition. Do not buy the monstrous full edition.
James M. Fischer, Understanding Remedies, 4th edition (Carolina Academic Press, 2021).
Optional aids:
Casenote Legal Briefs, Remedies (Wolters Kluwer, 2019)
Quimbee Remedies.