Book 4 in the Christie and Agatha's Detective Agency series!

"If you want to see your cousin again, come to the old quay at seven tomorrow night, alone. Be prepared to be married. Do not involve the police."

A relaxing break on the French Riviera becomes a dramatic investigation when famous physicist, Irène Curie, receives a ransom note demanding her hand in marriage. What’s more, Christie and Agatha’s friend has been kidnapped! Can the twins find out who is behind the ransom note and save both Auguste and Miss Curie?

About the Christie and Agatha's Detective Agency series:
It’s not easy growing up in the 1920s. While Christie can usually be found up a tree or trying a spot of amateur engineering, her shy twin Agatha buries her nose in books and dreams of being a writer. The pair couldn’t be more different. But when a scientific discovery goes missing, they find that together they make a winning combination and Christie and Agatha’s Detective Agency is born. Join the twin detectives as they solve thrilling mysteries all over the world!

Pip Murphy is a British writer and lived her early life in England on the Wirral. She studied Classics at Edinburgh University, after which she moved to Tokyo, Japan. Pip is also an English teacher and has loved reading her whole life - some of the books that influenced and inspired her the most were ones she read when she was little (she even read every book in her primary school, some of them more than once). Roberta was born in Milan in 1983 and, as a child, she spent her hours drawing and watching a lot of animation movies and cartoons on tv, which became her very first inspiration. She especially loved to draw the magical characters and fantastical creatures described in the books she read. After attending an illustration course and a comic book course, both in Milan in 2005, she began working as an illustrator and comic artist. Roberta illustrates a variety of children's books and magazines.