There are 3 books by Helen T. Yap on BookOrb. A strong starting point is From Inside the Berlin Wall (2006). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Showing 2 of 3 titles.
Frequently asked questions
How many books has Helen T. Yap written?
BookOrb lists 3 books by Helen T. Yap.
Where should I start with Helen T. Yap?
A good starting point is From Inside the Berlin Wall (2006).
What is the Helen T. Yap books in order list?
In publication order: 1. Oceanography and marine pollution (1990), 2. From Inside the Berlin Wall (2006).