Book 1

Dr. Drabble's Remarkable Underwater Breathing Pills

by Sigmund Brouwer, Wayne Davidson, Bill Bell
Jan 1, 1639
English
Paperback (32 pages)

Book 4

Dr. Drabble's Astounding Musical Mesmerizer

by Sigmund Brouwer, Wayne Davidson, Bill Bell
Jan 1, 1991
English
Hardcover (24 pages)

Book 5

Dr. Drabble and the Dynamic Duplicator

by Sigmund Brouwer, Wayne Davidson, Bill Bell
Jan 1, 1996
English
Paperback (1 page)

Book 6

Dr. Drabble's Spectacular Shrinker-Enlarger

by Sigmund Brouwer, Wayne Davidson
Jan 1, 1996
English
Paperback (1 page)

Book 7