The Secret Notebook

Riley Green is certain her lie detector pen will improve her status in a school full of kids from the most powerful families of Washington, D.C. But her plan collapses when her invention idea is stolen, her favourite teacher goes missing, and mysterious threats begin to appear around the city. Before vanishing, Riley's teacher entrusts her with her most prized possession, the lost notebook of Nikola Tesla, legendary inventor and scientist. Now Riley and her friends must protect the notebook from thieves who want to steal the details it holds about a dangerous invention. When Riley discovers another secret, she must decode a mysterious message before it's too late. Her teacher's life depends on it.

Contributor: Teresa Martinez (Cover design or artwork by)

UK Delivery:

• Free delivery on all orders of £10 or more.
• £1.49 delivery fee on orders below £10.
• UK orders are shipped via Royal Mail 2nd Class.

International Delivery:

• Flat rate delivery charges vary by country.

Dispatch and Delivery Times:

• All orders are shipped from our warehouse in Northampton, UK within 48 hours of receipt during working hours.
• UK mainland orders typically arrive within 3-5 working days via Royal Mail 2nd Class.
• International estimated delivery times:
• Europe & Channel Islands: 7 to 10 working days
• USA: 7 to 15 working days
• Rest of the World: 9 to 21 working days

View our full delivery infomation here.