Danny Dunn Series by Jay Williams, Raymond Abrashkin, Abrashkin Abrashkin, Gervasio Gallardo

When Danny Dunn tips over the mysterious jar of glistening liquid, he has no way of knowing that he will involve himself, his friend Joe, and Professor Bullfinch in a wild flight between planets. But anything can happen when Danny is around - and practically does!

Danny and his friends, marooned on an island, discover they are not alone.

Danny uses a computer that Professor Bulfinch has created for NASA to prepare his homework, despite Professor Bullfinch'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's really going on with homework?

Who says nobody does anything about the weather? Danny Dunn does! Of course if there hadn'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... moreWho says nobody does anything about the weather? Danny Dunn does! Of course if there hadn'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 Bullfinch has a new ionic transmitter that makes little clouds and miniature rainstorms, trouble is sure to follow! less

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 Ocean on an experimental voyage. Unfortunately, the bathysphere's pilot is rendered unconscious, and the bathysphere becomes trapped in a cave.. moreAnother 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 Ocean on an experimental voyage. Unfortunately, the bathysphere's pilot is rendered unconscious, and the bathysphere becomes trapped in a cave... Can Danny and his friends escape? Danny Dunn on the Ocean Floor is the fifth novel in the Danny Dunn series of juvenile science fiction/adventure books written by Raymond Abrashkin and Jay Williams. less

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.. moreDanny 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...Danny Dunn and the Fossil Cave is the sixth novel in the Danny Dunn series of juvenile science fiction/adventure books written by Raymond Abrashkin and Jay Williams. less

Danny is soaring above Midston in a plane with his pilot friend when he catched sight of a man stranded in a field and helps rescue him. The man happens to be millionaire Gledway Pippit, who is interested in Professor Bullfinch's new heat ray -- but Danny and the Professor must prove to him that the invention can be useful.One afternoon, Danny's friend Irene is listening to her short-wave radio when she hears about a forest fire nearby. Danny realizes that the Professor and Mr... moreDanny is soaring above Midston in a plane with his pilot friend when he catched sight of a man stranded in a field and helps rescue him. The man happens to be millionaire Gledway Pippit, who is interested in Professor Bullfinch's new heat ray -- but Danny and the Professor must prove to him that the invention can be useful.One afternoon, Danny's friend Irene is listening to her short-wave radio when she hears about a forest fire nearby. Danny realizes that the Professor and Mr. Pippit drove their cars in that direction. Soon the police spot the men -- but they are surrounded by fire! Danny things he knows how to rescue them and put the heat ray to practical use. But can he do it in time?Danny Dunn and the Heat Ray is the seventh novel in the Danny Dunn series of juvenile science fiction/adventure books written by Raymond Abrashkin and Jay Williams. less

A desperate escape!Danny, Irene, Joe and Professor bullfinch launch themselves on an amazing journey--in time. They land in the year 1763 and one of the first people they meet is Benjamin Frankly!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 town--and Joe is kidnapped by an angry innkeeper who mistakes him for a runaway... moreA desperate escape!Danny, Irene, Joe and Professor bullfinch launch themselves on an amazing journey--in time. They land in the year 1763 and one of the first people they meet is Benjamin Frankly!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 town--and Joe is kidnapped by an angry innkeeper who mistakes him for a runaway.Danny and Irene rescue him, but the innkeeper is hot on their trail as they race back to the Professor and Mr. franklin. Will the time machine work now? Or are they stranded in the past forever? less

This adventure begins in the dark - the dark auditorium at school, where Danny Dunn and his pal, Joe Pearson anxiously watch the final rehearsals of Joe's play about skulduggery on the moon... moreThis adventure begins in the dark - the dark auditorium at school, where Danny Dunn and his pal, Joe Pearson anxiously watch the final rehearsals of Joe's play about skulduggery on the moon. Danny Dunn fans know, though, that their hero is never in the dark for very long, and this time it just takes one word - "robots" - to set off an electronic chain reaction that leads Danny, his friends Joe Pearson, Irene Miller, Professor Bullfinch and the entire faculty of Midston University into the delightfully wacky world of automation. Owen Kampen's lively illustrations and larry Perron's design of The Automatic House heighten the suspense. less

Danny and his scientist friends decode a message sent eleven light years earlier, informing them that space visitors are en route to earth.

Are there enemy spies following Professor Bullfinch? Is he working on a secret government invention?Danny and his friends, Joe and Irene, decide they must warn the Professor of possible danger. They track him down to an old barn, where he's hidden his workshop. Once inside all they find is a weird and fascinating machine. Danny tries out one of two levers--but he isn't prepared for what happens next! He and his friends are trapped inside the machine and shrinking fast...

Danny Dunn and his friends search for a legendary serpent in Central Africa.

By accidentally short-circuiting Professor Bullfinch's new crystalline material, Danny Dunn enables the professor to create a new machine that makes Danny invisible.

Danny Dunn tries to track down the missing manager of the local department store with the aid of a bloodhound robot.

Danny Dunn goes fishing to try out a new invention and winds up saving a dam.