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The book doesn't work well, I'm very upset because I wanted to give it to my younger sister (for her birthday). You id*ots, why the heck you send people crap? At least if a book is broken/ damaged you sould mark it in the description and set a lower price. 40$ for broken sht ....
Such a cute little book and a good introduction to predicate logic.
This is awesome.
I've been playing with these two books for the last 20 minutes and it brought me back to my early days of discovering this kind of stuff.
Unfortunately, back then, it was not in such a fun format!
The idea and your execution of this product is exceptional.
Can't wait to introduce it to my son, so he can start playing around with it.
I wonder what else you might come up with? Looking forward to a "threequel" :)
My son-in-law is an engineer and chose this book for the baby registry. He was thrilled when I gave it to him, and we all played with it. It’s well made, and he will enjoy reading this and teaching his daughter.
The book is great but the packing material stained the cover black around the edges