The Secret of Artificial Reproduction

21:21

Read by Chris Fong

The Secret of the Atom

25:54

Read by Daniela Gura

The Secret of Suspended Animation

16:56

Read by 65tux

The Super-Nose

22:17

Read by Ben Tucker

The Secret of Invisibility

22:31

Read by gont

The Secret of the Tel-Automaton

20:24

Read by KHand

The Secret of Life

21:58

Read by Larry Wilson

The Secret of Electrical Transmission

17:40

Read by KHand

The Secret of Television

19:05

Read by KHand

The Secret of Tel-Hypnotism

17:57

Read by KHand

Journey to the Year 2025

18:31

Read by Krista Zaleski

The Secret of the Philosopher's Stone

19:48

Read by Emily N Bova

The Secret of Artificial Gills

19:23

Read by Chris Fong

The Secret of the Motorless Airplane

15:14

Read by 65tux

The Secret of the Sixth Sense

20:36

Read by K A Moulton

The Secret of the Earthquake

15:57

Read by harithaha121

The Secret of the Walking Radiobile

21:52

Read by Brent T. Nasworthy

The Secret of the Talking Ape

22:55

Read by Wallace Morgan

The Secret of the Super-Telescope

23:48

Read by cx2tech

A Car for the Moon

16:05

Read by Krista Zaleski

Dr. Hackensaw's Trip to the Moon

21:09

Read by Krista Zaleski

What Hackensaw Found on the Moon

21:44

Read by Krista Zaleski

The Secret of the Memory Obliterator

21:14

Read by nathanmeyers

The Secret of the Submarine City

21:14

Read by cx2tech

The Secret of Perpetual Youth

22:17

Read by CornyDweeb

The Secret of the Mermaid

25:19

Read by Jenn Broda

The Secret of Size

20:21

Read by grolon

Around the World in Eighty Hours

31:39

Read by russcallawag

The Secret of the Flying Horse

19:36

Read by Jenn Broda

The Secret of the Dream Machine

27:02

Read by czandra

The Secret of the Gravitation Screen

22:25

Read by Matthew Francis

The Secret of the Microscopic World

22:37

Read by Matthew Francis

The Secret of Perpetual Motion

19:20

Read by Matthew Francis

The Secret of the Extinct Microbe

20:14

Read by Ben Tucker

A Journey to the Year 3000

30:01

Read by Christine Rottger

The Mystery of the Z-Ray Spectacles

21:42

Read by Jeff Pierpont

The Mystery of the Walking Skeleton

18:57

Read by Ben Tucker

The Mystery of the Radio Cipher Machine

17:17

Read by czandra

The Mystery of Atomic Energy

25:18

Read by Jenn Broda

A Journey to the Center of the Earth – Part 1

18:42

Read by Krista Zaleski

A Journey to the Center of the Earth – Part 2

17:27

Read by Krista Zaleski

A Journey to the Center of the Earth – Part 3

18:04

Read by Krista Zaleski

A Journey to the Center of the Earth – Part 4

19:48

Read by Krista Zaleski

Some Minor Inventions

24:38

Read by czandra

The Secret of the Invisible Girl

23:36

Read by Chuck Williamson