There are 3 books in the The Kiss Quotient series. The newest book is The Heart Principle which came out in 2021.

Goodread's Romance Book of the Year, 2018

A Washington Post Book of the Year, 2018
An AmazonBook of the Year, 2018
Cosmopolitan's 33 Books to Get Excited About in 2018
Elle Best Summer Reads 2018

__________

A heartwarming and refreshing debut novel that proves one thing: there's not enough data…

When you buy books, we may earn a commission that helps keep our lights on (or join the rebellion as a member).
A woman struggling with burnout learns to embrace the unexpected—and the man she enlists to help her—in this new New York Times bestselling romance by Helen Hoang.

When violinist Anna Sun accidentally achieves career success with a viral YouTube video, she finds herself incapacitated and burned out from her attempts…