How to choose the correct target audience based on your reason for writing because what you would write for a 2 year old is different than what you would write for a 6 year old etc.

How to create the main character that kids will like, because all children's book need a main character. For example, Curious George, Winne the Pooh, Peppa Pig, & even Sam from the Cat in the Hat Series.

How to make sure the book has a teaching moment, because parents and teachers will be buying the book and will want to ensure that the book is teaching something to the children.

And 5 other important techniques needed to write a good and marketable children's book.