Both published by Orchard Books.

I’d tell you I love you, but then I’d have to kill you

By Ally Carter

This book is the first story in the brilliant Gallagher girls series! Cammie Morgan’s mum is the headmistress of the Gallagher academy for girls, known as a school for geniuses, but actually it’s a school for spies… Join Cammie as she adventures through her awesome classes- like Covert Operations. She has her friends Bex and Liz with her all the way, but there are two new difficulties in her everyday-spy-girl-life: a new girl called Macey and a mysterious outsider called Josh…
Join Cammie on her first of four extreme missions, in this really cool great book!

Cross my heart and hope to spy
By Ally Carter
The second book in the ‘Gallagher Girls’ series-Cammie is already in big trouble after Josh, but shes back on track and trying to cope. Why is she worrying so much though? Because she overheard her mum talking to the teachers about a file called ‘Blackthorne’. The only problem is, what is Blackthorne? And why has principal Morgan shut off a whole section of the school? Cammie, Bex, Liz, and Macey are determined to find out…
Read Cammie’s awesome second mission now;It’s a really great book with lots of twists and turns!

Georgia