I - ONE OF THE SECRET SQUAD
II - THE ONLY GIRL IN THE WORLD
III - THE THATCHED HOUSE
IV - A CLUE OF SORTS
V - BEHIND THE CASES
VI - A WASTED LIFE
VII - LINKS IN THE CHAIN
VIII - A NECESSARY PRECAUTION
IX - THE GANG AT WORK
X - A BIT OF A SURPRISE
XI - THE LITTLE SHOP AT POPLAR
XII - A FIND
XIII - A PAIR OF SPECTACLES
XIV - A SENSATIONAL PARAGRAPH
XV - THE MELCHIOR
XVI - ONCE ABOARD THE LUGGER
XVII - IN THE KERRHAUS
XVIII - THE BROKEN SHAFT
XIX - WHAT THE MAP SHOWED
XX - THE UNEXPECTED GUEST
XXI - DRAGGING THE NET
XXII - RAY TELLS HIS STORY
XXIII - A BUSY AFTERNOON
XXIV - "LOCKS, BOLTS, AND BARS"
XXV - BROUGHT HOME
XXVI - THE VALUE OF A NAME
THE END
