• Age: 8 to 12
• Grade: 3 to 7

Jon didn't care about finding the fabulous treasure that Mr. Plumm was obsessed with... or about being the first to set eyes on the highest waterfall in the world, the legendary Falls of Orellana. His only wish was to learn what had happened to his father, who had vanished years ago while searching for the Falls.

But neither Jon nor Mr. Plumm was prepared for the astonishing discovery they made deep in the mysterious jungles of the Amazon!

Elwy Yost's profile page

Elwy Yost was a familiar face for film lovers for over thirty years as the enthusiastic host of television’s Magic Shadows and Saturday Night at the Movies, two shows which set motion pictures within a learning context. Although he is well known in connection with films, Mr. Yost also devoted himself to his writing with a similar flair and determination. His stories brim with fascinating people and compelling plots, and he always seemed to create new situations and characters. “I’m just tremendously excited by life,” said Yost, “and I don’t want to waste a second of it.”

In 1947 he wrote, directed, produced and performed in a short feature film, In Between, which won honourable mention in the 1949 Canadian Film Awards. In 1957 he wrote an epic poem called “The Lost World of Christopher Skye” and a play, The Falls of Orellana, which was the basis for Secret of the Lost Empire. Mr. Yost has written a film book, Magic Moments from the Movies, and a space adventure called The Mad Queen of Mordra. Born in Weston Ontario, Yost spent most of his professional career in Ontario before moving to Vancouver. Yost passed away in 2011 and and is fondly remembered by readers and viewers alike.