Of course you shouldn't judge a book by its cover - however it is clearly written and beautifully illustrated. At the beginning there are Quick Reference Guides - standard sizes for batting, mattresses, bedspreads and so on. Formulas for cutting shapes, setting and corner triangles, formulas for backing and binding. I think these are extremely useful and I have used them to help me finish off quilts which have been started at workshops and I haven't been able to understand the finishing instructions.
The rest of this book contains a huge amount of information and gives a clear understanding of how to tackle many techniques, blocks, binding methods and embellishments such as applique. Some good edge finishing including how to mark and bind a scalloped edge - the book is packed with info and I was delighted with it.
Definitely a keeper which I will continue to dip in and out of.