By providing instruction and practice of the 20 most troublesome grammar points, Top 20 helps students master the essential grammar they need to produce great writing.
This book includes: a variety of exercises show students how to find and correct common grammatical errors; top 20 can be used as a stand-alone or as a supplement to any writing text.
Book and Answer Key.
The intermediate to advanced levels
SIZE REDUCED VERSION by Pumukl

Top 10 helps students master the essential grammar they need to produce great writing. Text focuses on improving the ten most common grammatical errors novice writers make.
This book includes: straightforward grammar explanations allow students to understand how structures are used in writing; guided activities encourage students to learn about typical grammar errors, identify them, and then correct them; strong emphasis on editing exercises teaches the self-editing skills students need to develop, to be successful writers.
Book and Answer Key.
Low-intermediate level.
SIZE REDUCED VERSION by Pumukl

The Language Pattern Game for all !
It is not connected with stage hypnosis. It is connected with doctors helping people overcome their dependencies, like smoking, drinking or drugs.

"I created Zebu to help me teach my classes in Ericksonian Hypnosis.  the level of proficiency that my students developed was nothing short of phenomenal, and it's all due to this card game.  Playing Zebu is learning at its best, because the whole time is spent listening to and using the language patterns ... and it's entertaining!  What could be better? 

How English Works: A Grammar Handbook with Readings is designed for classroom use with intermediate and advanced students of English. Such a range of abilities can easily be addressed in a book of this kind: as we teachers know only too well, even advanced students who speak and understand English with apparent ease can still make many errors when they write and can still have surprising gaps in understanding.