2026 Reading Challenge

Join the Goodreads Author Program

Are you Jan Harmsen, author of the books below?
Product and Process Design by Jan Harmsen Industrial Process Scale-up by Jan Harmsen Multiphase Reactors by Jan Harmsen Industrial Process Scale-Up by Jan Harmsen Industrial Process Scale-up by Jan Harmsen Product and Process Design by Jan Harmsen Process Intensification by Jan Harmsen Process Intensification by Jan Harmsen Multiphase Reactors by Jan Harmsen Product and Process Design by Jan Harmsen


To join the author program as Jan Harmsen, you will first need to sign in to Goodreads. Then navigate back to this page to apply.


About the Author Program
Authors on Goodreads
Author Guidelines
Author Program How-To
Author & Advertisers Blog
Ask the Author: Featured Authors
About Goodreads