Welcome to 1928, where the west is as wild as ever - only now it's guys in sharp suits with tommy-guns doing the talking. From the best-selling author of I-Spy. Trey's dreams of becoming a hot-shot detective - like his hero, Trent PistolA" Gripp from Black Ace magazine - look like they might be coming true. The mysterious accidentsA" and late-night phone calls at his Gramps's ranch in Kansas certainly needs investigating. But then school starts and it looks like case closed. But little does Trey know that his vacation snapshots have caught on film a top-secret plot. Like every good Private Investigator, trouble seems to follow Trey wherever he goes - and this time it's tailing him all the way home to Chicago - and onto the city's meanest streets.