Jack and Gwen are back in this dynamic follow-up to The Lost Property Office. It’s been a year since Jack Buckles discovered the Keep beneath Baker Street, an

In the dynamic follow-up to The Lost Property Office, Jack and Gwen are framed for the theft of a historic crown jewel--the Black Prince's Ruby, one of three cu

"An American boy travels with his family to London for his mother to find his father, but it turns out his father was involved with something nefarious--and now

Four girls are about to become princesses! But can they keep their kingdom safe? In the Jewel Kingdom, four girls rule: Roxanne is the Ruby Princess, Sabrina is

Praise for Design Patterns in Ruby "Design Patterns in Ruby documents smart ways to resolve many problems that Ruby developers commonly encounter. Russ Olsen ha