The book gives a great overview on how Mudras work and how to get into them. The hand gestures are sorted into categories and it is easy to find the right one for each situation. The structure of the book is very clear. Every Mudra has a short instruction plus according chakras, elements, body parts and functions. There are meditations, that can be used to explore each Mudra.
Find some of the Mudras from this book summed up through the link.