I would definately recommend this book. I just recommended it to my sister for her book club. It gets a little techy sometimes but I told her not to worry it eventually all makes sence even if you aren't familiar with computer jargen.
I like all the characters. They all had some such original character. If I had to choose a favorite though, it would be Mr, Penumbra. He is so gentle and wise I love how he makes other people feel about themselves.
I listened to it on a road trip. It was fun. It kept you engaged.
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