Textbooks 平售 (Marketing, Management, Accounting) for sale

Services Marketing AnAsia-Pacific And Australian Perspective 4th edition
ISBN: 978-0-7339-8678-9
Selling: $35
Sizes: 25 x 20 x 3
weight:  1.2 kg

Advertising and Promotion An IntegratedMarketing Communications Perspective 7th edition
ISBN: 978-0-07-310126-2
Selling: $50
Sizes: 28.5 x 22.5 x 3.5
weight:  2 kg

May i know the author about these two book?

Services Marketing AnAsia-Pacific And Australian Perspective 4th edition Advertising and Promotion An IntegratedMarketing Communications Perspective 7th edition May I know the author about these two books?

Services Marketing AnAsia-Pacific And Australian Perspective 4th edition
Advertising and Promotion An IntegratedMarketing Communications Perspective 7th edition
May I know the author about these two books?