If you want to understand how to set up and implement a strength training program for volleyball, you’ll want to pick up a copy of…

Learning To Be an “Ecological” Coach by Rob Gray has it flaws, but is a book well worth reading for coaches at all of levels.

Rise above the net, by Peter Bristotte, is a deep dive into volleyball coaching which has positives and negatives for potential readers.

The Culture System by JP Nerbun is a deep dive into developing and sustain team culture that's a worthwhile read for any coach.

The Best: How Elite Athletes Are Made, by A. Mark Williams and Tim Wigmore, is an interesting book covering a number of meaningful topics.

The Five Dysfunctions of a Team is a very engaging book that will make you really think about relationships and interactions in your team.

Start With Why, by Simon Sinek, is a book with some thought-provoking elements, though also with its share of shortcomings.

The Tough Stuff, by Cody Royle, does have some coach-team interaction elements, but largely focuses on the coach as an individual.

Although having a decent knowledge of soccer is probably required, this is a good look at the work and thought process of an elite coach.

How We Learn to Move is a book on skill development with a heavy focus on the Constraints-Led Approach which is well worth a read.