Etextbooks

These eTextbooks might be helpful for advanced English as a second language (ESL) students who want to develop their English grammar and become ESL teachers:

1- Grammar in Context Intermediate 

This book is designed to revise and consolidate grammar points. 
Download the eBook 

2- Analyzing English Grammar 
by Thomas P. Klammer, Muriel R. Schulz, and Angela Della Volpe

This advanced grammar text encourages students to think critically about grammar and exposes them to a variety of linguistic theories. 

http://www.coursesmart.com/analyzing-english-grammar-seventh-edition/thomas-p-klammer-muriel-r-schulz-angela-della/dp/9780205252534

3- Understanding English Grammar 
by Martha Kolln and Robert Funk

This market-leading text for grammar courses is a comprehensive description of sentence structure that encourages students to recognize and use their innate language expertise as they study the systematic nature of sentence grammar.

http://www.coursesmart.com/understanding-english-grammar-ninth-edition/martha-kolln-robert-funk/dp/9780205209620

4- Grammar to Go 
by Goldstein, Waugh, and Linsky 

GRAMMAR TO GO's step-by-step, interactive approach to grammar and punctuation minimizes memorization and instead focuses on visualization through sentence diagramming. 

http://www.coursesmart.com/grammar-to-go/goldstein-waugh-linsky/dp/9781133307365

5- English Grammar for Dummies 
by Geraldine WOOD
English Grammar For Dummies gives the readers the latest techniques for improving their efficiency with English grammar and punctuationhttp://www.amazon.com/English-Grammar-For-Dummies-ebook/dp/B00362XKZ6/ref=tmm_kin_title_0?ie=UTF8&qid=1352435924&sr=1-5 

6- English Grammar, Punctuation and Capitalization 
by Girard Sagmiller
http://www.amazon.com/English-Grammar-Punctuation-Capitalization-ebook/dp/B004U7G0LM/ref=sr_1_6?s=books&ie=UTF8&qid=1352435924&sr=1-6&keywords=grammar

7- McGraw-Hill's Essential ESL Grammar 
By Mark Lester 
Http://Www.amazon.com/McGraw-Hills-Essential-ESL-Grammar-Ebook/Dp/B0018TVY4S/Ref=Tmm_kin_title_0?Ie=UTF8&Qid=1352436057&Sr=1-16