Illustrated by Craig Smith.
Here is another exciting collection of stories about Emily Eyefinger who has an eye on the end of her finger.
In the title story, Emily finds the bones of an ancient, extinct mouse. This mouse - nicknamed "The Mother of all Mice" by Professor Mousefinder - was as big as an elephant and terrified the cats of its day. But no sooner does Emily make her discovery than the so-called "Devil Bones" go missing. Once again, Emily searches for a solution to an ever-deepening mystery.