the _New York Weekly_, and
came back, respectfully declined. It was written on both sides of the
sheets but I didn't know that this was against the rules. Nothing
abashed, I began another, and receiving some instruction, from a friend
of mine who was a clerk in a book store, I wrote it on only one side of
the paper. But mind you, he didn't know what I was doing. Nobody knew
it; but one day, after a hard Saturday's work--the other boys had been
out skating on the brick-pond--I shyly broached the subject to my
mother. I felt the need of some sympathy. She listened in amazement, and
then said: "Why, do you think you could write a book like that?" That
settled the matter, and from that day no one knew what I was up to until
I sent the first four volumes of Gunboat Series to my father. Was it
work? Well, yes; it was hard work, but each week I had the satisfaction
of seeing the manuscript grow until the "Young Naturalist" was all
complete.

--_Harry Castlemon in the Writer._

GUNBOAT SERIES.

Frank the Young Naturalist.
Frank on a Gunboat.
Frank in the Woods.
Frank before Vicksburg.
Frank on the Lower Mississippi.
Frank on the Prairie.

ROCKY MOUNTAIN SERIES.

Frank Among the Rancheros.
Frank at Don Carlos' Rancho.
Frank in the Mountains.

SPORTSMAN'S CLUB SERIES.

The Sportsman's Club in the Saddle.
The Sportsman's Club Afloat.
The Sportsman's Club Among the Trappers.

FRANK NELSON SERIES.

Snowed up.
Frank in the Forecastle.
The Boy Traders.

BOY TRAPPER SERIES.

The Buried Treasure.
The Boy Trapper.
The Mail Carrier.

ROUGHING IT SERIES.

George in Camp.
George at the Wheel.
George at the Fort.

ROD AND GUN SERIES.

Don Gordon's Shooting Box.
Rod and Gun Club.
The Young Wild Fowlers.

GO-AHEAD SERIES.

Tom Newcombe.
Go-Ahead.
No Moss.

WAR SERIES.

True to His Colors.
Rodney the Partisan.
Rodney the Overseer.
Marcy the Blockade-Runner.
Marcy the Refugee.
Sailor Jack the Trader.

HOUSEBOAT SERIES.

The Houseboat Boys.
The Young Game Warden.
The Mystery of Lost River Canon.

AFLOAT AND ASHORE SERIES.

Rebellion in Dixie.
The Ten-Ton Cutter.
A Sailor in Spite of Himself.

THE PONY EXPRESS SERIES.

The Pony Express Rider.
Carl, The Trailer.
The White Beaver.

* *