In the year 241, twelve-year-old Lina trades jobs on Assignment Day to be a Messenger to run to new places in her decaying but beloved city, perhaps even to glimpse Unknown Regions.

In this book without words, Mr. Crocodile gets up every morning and carefully gets ready for work--but just what is his job?

Every day a veterinarian helps animals. She examines them to see if they are healthy, and helps them if they are sick or hurt. Maybe you would like to be a vet someday?

The word itself conjures up mystery, romance, intrigue, and grandeur. What could be more perfect for an author/illustrator who has continually stripped away the mystique of architectural structures that have long fascinated modern man? With typical zest and wry sense of humor punctuating his drawings, David Macaulay traces the step-by-step planning and construction of both castle and town.