What does a dusty old secret have to do with peacocks?

Everything, as it turns out. When Amanda is knocked off her skateboard by a rare all-blue peacock, she learns that the species harbors a vital secret she must race to uncover. But before she can unravel the mystery, a startling archaeological discovery turns all of Britain against the detectives and threatens their very existence.

As old enemies gather strength and new adversaries emerge, Amanda finds herself dealing with hysterical teachers, a disappearing mentor, a mysterious poisoner, and a would-be magician. With so...

A reluctant detective, a criminal mastermind, and . . . sugar?

Amanda Lester wouldn't be caught dead going into the family business. Her ancestor, Sherlock Holmes's colleague Inspector G. Lestrade, is a twit. Nevertheless her parents refuse to see his flaws, and she's going to a secret English school for the descendants of famous detectives whether she likes it or not.

When Amanda arrives at the dreaded school, she considers running away--until she and her new friends discover blood and weird pink substances in odd places. At first they're not sure whether these oddities mean...

It only takes a moment to spill a secret.

The detectives have managed to keep Legatum Continuatum's secrets safe for more than a hundred years, but that could soon change. Amanda and her friends have discovered that the red spiders of Ambleside possess a talent that could expose everything.

Unfortunately, Amanda's new stepfather knows about them too, and his plans are deadly. The kids try to get to the spiders first, but their attempt to save them just complicates matters. Then Amanda disappears and it falls to her friends to save the day. If they...

What is Professor Scribbish hiding?

Amanda and her friends have known about the mysterious Detective's Bible for some time. But what they never dreamed was that old Lovelace Earful, Legatum's founder and the author of the precious book, had much more up his sleeve than that.

Now a strange pair of gold-rimmed spectacles he designed has fallen into the hands of the Moriarty brothers. But the glasses have been stolen, and it falls to Amanda to figure out where they are and get them back before . . . what? All she knows is that they're powerful and the bad guys want them....