15 books • 4 series
Danny Dunn and Heat Ray
Danny Dunn Invisible Boy #2
Danny Dunn and the Smallifying Machine
Danny Dunn and the Heat Ray
Danny Dunn and the Fossil Cave
Danny Dunn and the Homework Machine
Danny Dunn on a Desert Island (Danny Dunn, #15)
Danny Dunn, Scientific Detective
Danny Dunn and the Swamp Monster (Soundways to Reading)
Danny Dunn, Time Traveller (Carousel Books)
Danny Dunn & the Voice from Space
Danny Dunn & the Automatic House
Danny Dunn on the Ocean Floor (Carousel Books) (Young Pioneer Book)
Danny Dunn, Time Traveler
Danny Dunn and the Anti-Gravity Paint
