Alpheus Hyatt Verrill

Harper's Gasoline Engine Book: How The Engine Is Made, How To Use It At Home, In Boats And Vehicles, An Elsewhere, And How To Keep It In Order

The Cruise Of The Cormorant

The Cruise Of The Cormorant

Islands And Their Mysteries

An American Crusoe: A Record Of Remarkable Adventures On A Desert Island With Only A Jackknife

The Amateur Carpenter

The Ocean And Its Mysteries

The Ocean And Its Mysteries

Knots, Splices And Rope Work

The Radio Detectives In The Jungle

The Voice From The Inner World

Deep Sea Hunters In The Frozen Seas

Through The Crater's Rim

The Radio Detectives

The Book Of The Sailboat

The Radio Detectives

The Deep Sea Hunters

The Deep Sea Hunters

The Book Of The Sailboat

Deep Sea Hunters In The Frozen Seas

Marooned In The Forest

Harper's Gasoline Engine Book: How The Engine Is Made, How To Use It At Home, In Boats And Vehicles, An Elsewhere, And How To Keep It In Order

The Book Of The West Indies

Getting Together With Latin America

An American Crusoe: A Record Of Remarkable Adventures On A Desert Island With Only A Jackknife

The Amateur Carpenter

The Book Of The Motor Boat

Harper's Wireless Book: How To Use Wireless Electricity In Telegraphing, Telephoning And The Transmission Of Power

The Home Radio

The Home Radio: How To Make And Use It

Harper's Aircraft Book: Why Aeroplanes Fly, How To Make Models, And All About Aircraft, Little And Big

The Book Of The Motor Boat

Getting Together With Latin America

Knots, Splices And Rope Work

The Radio Detectives Under The Sea

The Radio Detectives Under The Sea

The Radio Detectives In The Jungle

The Book Of The West Indies

The Deep Sea Hunters Adventures On A Whaler