This is a captivating novel titled "Things Not Seen" by Andrew Clements. It is a trade paperback format with a length of 7.7 inches, a width of 5.1 inches, and a height of 0.7 inches. The book has 272 pages and is published by Penguin Young Readers Group. The book is intended for young adults, ages 9-12, and adults alike. It falls under the genre of juvenile fiction and has topics such as fantasy & magic, social themes / special needs, general, social themes / friendship, social themes / emotions & feelings, and science fiction. The book is in English and was originally published in the United States. It is a reprint and weighs 7.3 ounces.