Calling All Boys #16

When a rogue comet tears loose from its orbit and barrels toward Jupiter—where an Earth colony awaits certain doom—Bigbrain Billy springs into action aboard his rocket ship. Using quick thinking and magnetism, Billy devises a desperate plan to intercept the hurtling mass of metal before it can strike. It's a race against cosmic forces as Billy and his companion Pete battle to save the colonists from catastrophe.

Walter Bietila, a thirty-one-year-old American ski jumper and member of the U.S. Olympic Ski Team, has earned his reputation as one of the nation's best through years of dedication to his sport. This profile celebrates Bietila's journey to competitive excellence, including his string of victories in major ski association championships and his record-breaking jump distance of 276 feet.

Dig Bailey springs into action when a young tunnel-construction foreman named Steve Morgan seeks his help stopping a saboteur bent on derailing the project. With mysterious accidents plaguing the work and a rival company circling, Dig and the crew of the tugboat *Broadside* patrol the river to catch whoever's behind the trouble—and they don't have to wait long. When a saboteur plants a depth bomb primed to destroy the tunnel, Dig races against the clock in a desperate underwater dive to prevent catastrophe.

Hector takes on the boastful Egbert Sneery in an ice-boat race across the frozen river, with a wager that the loser must walk across on stilts. While Egbert's scientific contraption seems unbeatable, Hector and his resourceful companion Nancy have a clever trick up their sleeve to even the odds. It's a tale of ingenuity and wit triumphing over arrogance on the ice.