Most of it is really funny and a great book. Interesting and has an interesting plot. There are several books in the series and they're all funny.

Interesting, but the main character can be kind of rude at some parts. Also the book can be a little weird at some parts. I liked some of it.

Really interesting, but also the main character can be a little bit rude at some parts and the book can be a little bit sad at some parts. The book is also really funny at some parts.

A cool book with lots of pictures and interesting things in the book. There are a lot of National Geographic Kids books. I liked this book.

Very interesting and a great book. I've read this book a lot and it has a good plot. There are several books in the series.

I didn't really like it at all .Because the main character Nikki is sassy, whiny, and she is also a huge drama queen. She is also very sarcastic.

Really interesting and also kind-of like a comic book at some parts. If you like Star Wars you will probably like this book, but the main character Victor can sometimes be rude.

It is very interesting and a really good book. If you like libraries you will probably like this book. I have read this book several times.