Have you given up the idea of mastering the lotus pose? Does it seem impossible to you? It may take a lot of time to do it?
I won't break your fears just because there is no need for that.
You will do it yourself.
The book contains everything you need to master padmasana or the lotus pose: techniques, tips and precautions. It has photos to visually explain the techniques in details.
It is structured in a step-by-step way to help you advance gradually and safely.
The book is intended for beginners, but some techniques closely related to the lotus pose itself may be useful to the intermediate yoga students.