Guess what?! I went shopping and found both of the books: Ruby Redfort Look Into My Eyes and Alice-Miranda at Sea.
Of course, I bought them immediately and I've just finished reading Ruby Redfort.
Here is my review!
Ok, the story line is that there is a girl, Ruby, from a wealthy family and her best friend is named Clancy Crew.
Ruby is a code cracking genius, and when a suspicious butler, Hitch, comes along she has a "hunch" that he's not a butler.
And, of course he's not.
Hitch is an agent for a spy agency called "Spectrum". And when Ruby finds out why he's there , she gets an invitation to join Spectrum...