Jay Maurer

True Colors

2004

Focus on Grammar

2001

Focus on grammar

2000

Focus on Grammar

2004

Focus on Grammar 5

2006

Value Pack

2017

True Colors

1999

True Voices

2000

True Colors, Level 1

1999

Focus on Grammar, Level 1

2012

Focus On Grammar An Integrated Skills Approach

2005

Focus on Grammar 1 with MyEnglishLab

2016

EFL Course for Real Communication

2004

Value Pack

2011

Value Pack, True Colors Basic Student Book and Power Workbook

2005

Value Pack, True Colors 4 Student Book and Workbook

2004

Value Pack, True Colors 2 Student Book and Workbook

2004

Value Pack, Focus on Grammar California Introductory Student Book 5 pack and Flyer

2005