I don't know what

r New York, in the most densely populated part of the East,

rom the upper end of Long Island was last seen flying across the Sou

e, Tuesday morning. Dad has wired every city, town and haml

e been setting out on their flight to the Hampton camp in New Mexico. Instead, the boys were mood

call him met with no response. The day before, moreover, a telegram had been sent Mr. Hampton by Bob Temple's father, informing him in code of recent mysterious occurrences, including the theft of the

eakfast room, as the two boys sat in moody silence, "

found Mr. Temple, very grave of face, bent above a l

"And the poor fellow is i

r

g your telegram few minutes ago realize it may have been your airplane. Wasn't there and didn't see it but d

, and Frank, who had been co

right," he said. "That is

a little later,"

s, they wouldn't have had to make more than eighty miles an ho

cked with oil and gas. And the spare tan

mple r

ound in circles, haven't had time to watch the telephone. But if you call me when you get thi

cally, as he concluded reading. "And he'll ge

d as soon as each had tuned to their private 1,800-metre wave length, the Tem

s from any oil derricks or pumping stations, on his

, glistening in the sun. It made a beautiful landing on the sandy soil, bumped along over a few clumps of mesquite, and came to rest close beside Mr. Hampton

of the two pointed a revolver at him and he turned, perforce, and surrendered. He was put into the airplane, the two men agai

explained an

at would you ad

dy else kno

father by sight, and came direct to me with the information. I'

father will be safe from harm and that the men who seized him are intent on embroiling Mexico and the United St

e suspected what the game was, and that

eared up, we are ready to leave at once. We can get out of New York City on the 6 o'clock train tonight. Look

out his wife. After explaining the necessity for his

re away. But I believe there will be no more trouble here. And with the serva

ly mean not to take me along,"

a bunch of harum scarum boys to look

aughter. "But you wait and see. They'll be taking care

Temple teasingly,

e an excuse to leave t

't tease her about Frank," said

ully. "I suppose so. But," he ad