Jay Williams

Danny, Irene, Joe, and Professor Bullfinch launch themselves on an amazing journey – through time! They land in the year 1763 and one of the first people they meet is Benjamin Franklin. The Professor plans to return soon to the future, but when he throws the switch, the time machine won't start. While he and Mr. Franklin try to repair it, Danny and his friends explore the colonial era – and Joe is kidnapped by an angry innkeeper who mistakes them for a runaway. Can the Professor get them...

Danny and his friend Joe Pearson discover the entrance to a cave in the woods near their home. Professor Bulfinch has just invented a portable x-ray machine, and the Professor, along with his geologist friend Dr. Tresselt, sees an opportunity to use the device inside the cave. The two adults, along with Danny, Joe, and Irene, enter the cave on an expedition. They make an astonishing discovery, but they encounter a significant problem which prevents them from leaving the cave…<P> Danny...

Danny uses a computer that Professor Bulfinch has created for NASA to prepare his homework, despite Professor Bullfinch&apos;s warning that Danny is to leave the machine alone. With his friend Joe Pearson and his new neighbor, Irene Miller, Danny has some success with the machine before it is sabotaged. Can Danny figure out what is wrong with the computer and fix it? And will their teacher learn what&apos;s really going on with homework?

Who says nobody does anything about the weather? Danny Dunn does! Of course if there hadn&apos;t been a drought when Danny went to the weather bureau to return a radiosonde, just maybe nothing would have happened. But has there ever been a time when Danny could contain his curiosity? Danny is naturally attracted to all the weather-forecasting instruments and decides to do some volunteer weather-observing. And when Danny and his friends Joe Pearson and Irene Miller discover that Professor...

Another accident in Professor Bulfinch&apos;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 Ocean on an experimental voyage. Unfortunately, the bathysphere&apos;s pilot is rendered unconscious, and the bathysphere becomes trapped in a cave… Can Danny and his friends escape?<P> Danny...

Professor Bullfinch and Doctor Grimes take Danny and his friends to the beginning of the Nile River in Africa to investigate local legends of a swamp monster. Despite unforeseen calamities, a new, rare species of electric catfish is discovered.

Professor Bullfinch has created a radio telescope («dish») for the government which will try to determine if extraterrestrials are trying to contact Earth. When Danny sneaks into the observatory, he hears non-random sounds coming from space. He then must figure out how to translate the sounds. The observatory described in the book is similar to the real life SETI project!

Professor Bullfinch develops the «House of the Future» in which all controls are automatic, and plans to debut it at an upcoming Science Fair. This includes temperature controls and other standard functions, but also items such as washing machines, food preparation and normal housework. Danny, Irene and Joe, as well as Irene&apos;s toddler cousin, go to explore the house and become trapped inside, as the locks were automated to have security settings to seal the house until the Professor&apos;s...

"I challenge you to a duel of desert islands!" Dr. Grimes cries, when Professor Bulfinch accuses him of not being practical. Grimes plans to go ashore on an uninhabited desert island, and the Professor on another. After a month they will see who has survived the best! <P>Danny and his best friend Joe soon get permission to join them, and the four take off in the scientists&apos; plane. But when they crash-land in the ocean and are really marooned on an island off the coast of Peru –...

Through a mishap in Professor Bulfinch&apos;s laboratory, Danny accidentally creates an anti-gravity paint. The natural use, of course, is for a spaceship – the paint can replace rockets to get the ship into space. Unfortunately, the spaceship is launched prematurely after Danny and Joe follow Professor Bulfinch and Dr. Grimes on a tour of the ship. A mechanical failure dooms the four to a one-way trip out of the Solar System – unless they can repair the spaceship in time! <P> This is...