Danny Dunn on the Ocean Floor
โ Abrashkin, Raymond;Williams, Jay
๐ Fiction
๐
2016
๐ Wildside Press LLC
๐ English
<p>Another accident in Professor Bulfinch's laboratory, brought on by Danny, results in the creation of a transparent, resilient material. The material proves useful in creating a bathysphere, and Professor Bulfinch, along with his friend Dr. Grimes, Danny, Joe, and Irene, descends into the Pacific