Mac undercover —Barnett, Mac, author.

One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac em...

The impossible crime —Barnett, Mac, author.

In 1989 someone is threatening to steal the crown jewels, so the Queen of England summons Mac B. to England to protect them -- and when they are stolen from a locked dungeon cell, where Mac and Holcroft, one of the warde...

Mission secrète —Barnett, Mac, author.

One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac em...