Tricks of the Trade: 101 Psychological Techniques to Help Children Grow and ChangeClinicians. This book gives mental health professionals what they crave techniques that work. The premise of the book is that while many theories are incompatible, the techniques that they promote are not. Dr. Lawrence Shapiro discusses techniques drawn from dozens of different theories with an emphasis on techniques that engage children. This book is jam packed with clever ideas that you can use right away to help children., ISBN13: 9781882732203