A beloved chapter book full of adventure, mischief, and chocolate popsicles, from Newbery Medal-winning author Betsy Byars! One Saturday, Jackson and his best pal, Goat, hide treasures for each other to find with maps and clues--and it's so much fun that the boys decide to do it all over again. Only this time, the hunts will be trickier, and the prizes will be outstanding.But somehow, the best treasure of all disappears from its hiding place. Only one person could be responsible: the ogre, also known as Goat's older sister, Rachel.Can the two friends find the treasure before the ogre gets the last laugh?