This book was self-published via Amazon’s print on demand (POD). I make modifications whenever I find errors/typos in the book. So, it is a "living book". Readers would be able to know which version they have based on this history table and the printing date shown on the last page of the book you ordered. Recently, I updated the book (corrections made on March 1 2026). The revision history table is provided in this post. Read More here..

This was written by my 9-year-old daughter as a class assignment (I found it from her backpack last week). The topic is “Do you think Robots/AI will control the world one day?”. I blocked the solution she proposed. “The only way we can be saved is ….” - What are your thoughts & solutions? Read More here..

A photo taken yesterday after my PK class was over – P1 students, me, my basic PK textbook & squirrel Clint. It will become a tradition of my course as I plan to take class photos once every year till I retire 😊 Read more here..