Brinpress: 2 books

Toby and Sam are your typical 11 year old brother and sister, except that they happen to be twins. Join them as their adventure begins with the discovery that their Granddad is not quite what everyone thought he was. Follow them as they try to track down the villain and stop him before he completes his evil plans.

Sam and Toby, the 11 year old twins are back! This time they get caught in a revenge plot that threatens to put an end to their hopes of becoming full-time secret agents, but discover a much bigger threat to the entire government...