みなさん、こんにちは!
I just wanted to let you know that I uploaded a list of known blue book errata to the KLC user support page (https://keystojapanese.com/klc-user-support-tools).
If you notice any other errata or have other suggestions for user support tools, please let me know via the Contact page or Facebook group, thank you.
I hope you’re all doing well,
Andrew