Download or read book The Case of the Dumb Bells written by Crosby Bonsall and published by HarperCollins. This book was released on 1982-04-27 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doorbells are mysteriously ringing all over the neighborhood. The four private eyes are in for some surprises -- like burning cakes, overflowing bathtubs and a phone that doesn't ring -- on the invisible ringer's trail. But the culprit turns out to be the biggest surprise of all!