Price: $10

Art Vanderlay "Progressive" is the best way to learn the basics of "Progressive Anagrams" 

PA History

What PA actually are

How to create your own ones for FREE (no app needed)

Approaches to make this technique a realistic mindreading tool

Memory and crib techniques 

and several Art´s personal anagrams, including Ultra-Contimental Revisited (Anagram for ANY country in Europe) and video instructions for Anigram, one of his best effects at his Penguin Lecture!