"In the Valley" is an exciting story about the adventures of three friends who decided to go in search of a lost city inside a mysterious valley. The author of the book is Harold Frederic, creating a wonderful combination of an adventure novel and a historical film. The heroes will face dangers, challenges and unusual discoveries that will change their perception of the world. Every page of the book "In the Valley" is filled with mystery and an atmosphere of adventure that will captivate the reader from the first lines.