"Written by Jack Forman & Drew Holloway" (Credits page).
Summary:
"Sir Sebastian Stockingbottomham needs your help on this madcap diving expedition! ... Share in the fun by following the interactive read-aloud prompts! Learn how to talk like you're underwater, take part in some very silly shenanigans, and get ready to laugh like you've never laughed before!" (From book jacket cover).
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.