By: Joshua Glenn

21 great adventure novels of the Forties!

By: Joshua Glenn

21 great adventure novels of the Thirties!

By: Joshua Glenn

21 great adventure novels from 1924–33!

By: Joshua Glenn

21 great adventure novels from 1914–23!

By: Joshua Glenn

21 great adventure novels from 1904–13!

By: Joshua Glenn

My 32 favorite 19th Century adventure novels!

By: Joshua Glenn

Let X Be Excitement (1969), by Christie Harris.

By: Joshua Glenn

Dangerous Mr. X (1929), by Francis Duncan.

By: Joshua Glenn

A collector’s guide!

By: Joshua Glenn

People Minus X (1958), by Raymond Z. Gallun.

By: Joshua Glenn

The Face of X (1960), by Lionel Roberts.

By: Joshua Glenn

Virus X (1945), by Sydney Horler.

By: Joshua Glenn

Commando X (1967), by Poke Runyon.

By: Joshua Glenn

The Man from Planet X No. 2: Tiger by the Tail (1975), by Hunter Adams.

By: Joshua Glenn

The Power of X (1968), by Arthur Sellings.