Step into the Secret World.

Charlotte Philby's grandfather was the most infamous double agent in history.

Inspired to find out about his world, Charlotte discovered that there were plenty of untold stories of courage and secrets and daring . . .

And so many were about women.

There are a host of extraordinary tales involving female spies- from dare-devil skiers delivering top-secret information, to clever codebreakers taking down the world's biggest criminals, to brave undercover agents fighting alongside the French Resistance.

Starring Edith Cavell, Elizebeth Friedman, Noor Inayat Khan and many more, the stories in this book explore the hope, courage, fear, loves and lives of these remarkable women.

Featuring top-secret spying info and imagined newspaper articles covering incredible spy stories, this is your chance to find out about the women who hid in the shadows, but deserve to be in the spotlight.