Glad you have enjoyed the books! Not sure when we will drop the next one. For sure at some point. Right now I'm really focused on our new Bitcoin For Families Show as a way to bring families together and discuss important topics outside of bitcoin. You can check it out here:

https://www.youtube.com/playlist?list=PL0Fhh5-fuH9fx3DB6agCd2m-Mp41uobCD