There are 2 books by H-Sign on BookOrb. A strong starting point is Barchester Tower (2017). The bibliography below is in publication order, with series grouped in reading order.
Standalone books
Frequently asked questions
How many books has H-Sign written?
BookOrb lists 2 books by H-Sign.
Where should I start with H-Sign?
A good starting point is Barchester Tower (2017).
What is the H-Sign books in order list?
In publication order: 1. Barchester Tower (2017), 2. Chessmen of Mars (2018).