This set of two paperbacks, titled "TimeRiders" and "Day of the Predators", is a must-have for any young reader interested in time travel and adventure. Written by Alex Scarrow, these books are part of the "Timeriders" series and published by Puffin in 2010.

With a total of 432 pages, this set offers hours of engaging storytelling and is perfect for children and young adults alike. The books are in English and are in paperback format, making them easy to carry and read. If you're a fan of time travel and adventure, this set is a great addition to your library.