Ruby Redfort Take Your Last Breath (Ruby Redfort, 2)

All at sea?OK, here’s the lowdown....Ruby Redfort: secret agent, thirteen-year-old kid. Super smart, super cool, and not afraid of the water or anything in it.Sharks?Just large fish going about their business.Cutthroat pirates?Give me a break.A giant tentacled sea monster?You’ve got to be kidding, buster.No, the ocean’s no problem as long as you can hold your breath for more than 61 seconds.Yikes! Can Ruby do it?There’s only one way to find out....