Understanding and Using English Grammar, Third Edition, components include

Student Book: available in full and split editions.

ISBN 0-13-958661-X (full)
ISBN 0-13-958729-2 (Vol. A; Chapters 1-11)
ISBN 0-13-958752-7 (Vol. B; Chapters 12-20)

Student Book with Answer Key (full)

ISBN 0-13-097605-9

Chartbook: a compilation of all the grammar charts from the Student Book, for easy reference.

ISBN 0-13-958703-9

Workbook: available in full and split editions; offers self-study practice (with answers provided) for independent study or classroom use.

ISBN 0-13-958687-3 (full)
ISBN 0-13-958737-3 (Vol. A; Chapters 1-11)
ISBN 0-13-958760-8 (Vol. B; Chapters 12-20)

Teacher's Guide

ISBN 0-13-958679-2 (full)

Answer Key 

ISBN 0-13-020552-4

Test Bank

ISBN 0-13-958695-4

Some components of the Second Edition of Understanding and Using English Grammar are also available:

Student Book
ISBN 0-13-943671-5 (Vol. B; Chapters 12-20)

Workbook
ISBN 0-13-952839-3 (full)
ISBN 0-13-943986-2 (Vol. A; Chapters 1-11)
ISBN 0-13-944000-3 (Vol. B; Chapters 12-20)

Teacher's Guide
ISBN 0-13-928565-2 (full)
ISBN 0-13-943994-3 (Vol. A; Chapters 1-11)
ISBN 0-13-944018-6 (Vol. B; Chapters 12-20)

Transparencies
ISBN 0-13-943622-7

Answer Key to Student Book
ISBN 0-13-932898-X (Vol. A; Chapters 1-11)
ISBN 0-13-946393-3 (Vol. B; Chapters 12-20)

Full Text/Workbook Package
ISBN 0-13-099847-8