The Hidden Present - Lois Wickstrom - Bog

Every year on his Unbirthday, Grandpa gives Caspian a present that he doesn't expect. It's always in his special box under his bed. This year, his box isn't there. Caspian must hunt for it, using the Inquisitive Indicator he finds on the kitchen table. Another special adventure between Caspian and his loving Grandpa.