Book recommendation - Practice, by Simon Fischer

The book, Practice, written by Simon Fischer, is an incredibly helpful book. Fischer's first book, Basics, is also useful, but for the student struggling with knowing how to practice, his second one is for you. Inside, there are 250 ways to practise the violin, with excerpts from the solo violin repertoire to explain how to put his advice into action. This book is full of gold nuggets of wisdom and has been very helpful to countless violinists. 

http://www.orpheusmusicshop.com/category-53/SL188.html