One of the most common pieces of advice early-career scholars will get is “write a few book reviews to get some publications under your belt”. This can be very helpful advice (espcially if you were going to read the book anyway!). Below are some resources which might help you if you plan to, or are even just contemplating, writing a book review:

https://www.youtube.com/watch?v=OhwrYUBmLtM