Grammar For Pet

Cambridge University Press

Cambridge Grammar for PET Book with Answers and Audio CD: Self-Study Grammar Reference and Practice (Cambridge Grammar for First Certificate, IELTS, PET)

Independently published

Grammar Preliminary English Test PET B1+: Essential English Grammar for PET Candidates

Cambridge Grammar for PET/without answers        

El último magnate                                

Klett

Essential Grammar in Use. Book with answers      

Woodford & Walter

B1 Grammar: 30 days to review and practise essential grammar topics for B1/PET (English in a Month) (English Edition)

Cambridge University Press

English Grammar in Use. Fifth edition. Book with Answers and Interactive eBook.: A Self-study Reference and Practice Book for Intermediate Learners of English (SIN COLECCION)

Collins

Practice Tests for B1 Preliminary: PET (Collins Cambridge English)

DK

English for Everyone - Gramática inglesa: Guía completa de referencia visual (Aprender inglés)

Publish Ventures LLC

Spanish Grammar For Beginners: A Comprehensive Workbook with Essential Lessons and Everyday Phrases