From Biggles.info: This contains eleven short stories. The stories are:-

THE CASE OF THE LOST COINS (Pages 7 to 25)

Biggles is sent to Albania to recover a valuable collection of rare coins for the British Museum.

This story was never published elsewhere

THE CASE OF THE OLD MASTERS (Pages 26 to 46)

Valuable works of art are being stolen and flown abroad. Various clues lead to the culprit.

 This story was never published elsewhere

MYSTERY ON THE MOOR (Pages 47 to 68)

Ginger spots a plane on Dartmoor. This leads to the discovery of a crooked plastic surgeon.

 This story was never published elsewhere

THE TWO BRIGHT BOYS (Pages 69 to 84)

Two boys build their own plane. Biggles warns them it is not safe to fly, as they later find out.

HORACE TAKES A HAND (Pages 85 to 97)

A boy discovers a hideout on Dartmoor, which has been equipped to house escaped prisoners.

BIGGLES LEARNS SOMETHING (Pages 98 to 110)

Horse racing meetings are being used by an old foe, Laxter, to fly criminals into the country.

 This was originally published in the Boy’s Own Paper  Volume 83, issue 8, dated May 1961

DANGEROUS FREIGHT (Pages 111 to 125)

Planes transporting gold are being made to crash when the air crew are poisoned.

 This was originally published in the Boy’s Own Paper  Volume 84, issue 9, dated June 1962

A ROUTINE JOB (Pages 126 to 141)

Biggles tracks down the supplier of Marijuana cigarettes.

 This was originally published in the Boy’s Own Paper  Volume 84, issue 3, dated December 1961 as “Routine Job”

DAWN PATROL (Pages 142 to 157)

Ginger spots an aircraft whose registration letters don’t exist. This leads to heroin smugglers.

THE TRICK THAT FAILED (Pages 158 to 170)

An RAF accountant who has stolen £12000 is caught just as he plans to elope with his girlfriend.

THE CASE OF THE EARLY BOY (Pages 171 to 184)

When a plane drops stolen jewels, a diamond necklace found in a tree gives the game away.

This story was originally written as “Worrals Works it Out” and published in the ‘Girls Own Paper’ in September 1947 as a story featuring Worrals and her friend Frecks.

THE CASE OF THE EARLY BOY (Pages 171 to 184)

When a plane drops stolen jewels, a diamond necklace found in a tree gives the game away.

This story was originally written as “Worrals Works it Out” and published in the ‘Girls Own Paper’ in September 1947 as a story featuring Worrals and her friend Frecks.

c. 1972 pp. 184 reprint (gift inscription on fep) #060822/180423