Here are all the results with descriptions
Circular
The font you should use is one that looks rather neat at first glance but actually has quite the personality behind it. It's very quirky yet simple.
GT Walsheim
This is the font you should use for your book. It has a bold and stern look about it but it also seems quite friendly and inviting.
Brandon Grotesque
This is the font you should use! It had quite a simple but pleasant look about it. It definitely won't distract from the story of your book.
Brown
This is definitely a font that fits your book well. It has a friendly look about it while also getting the point across. It doesn't feel too harsh or serious at all.
Futura
This is a font that has quite a stern look about it. It gets it point across without seeming too bold or eccentric. This is definitely a font for you.