Hanlong Fan

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
How to Abacus 1: All About Abacus	978-1-949622-00-3 (1-949622-00-2)	2018	Sheena Chin
How to Abacus 2: All About Formulas	978-1-949622-02-7 (1-949622-02-9)	2018	"