勞埃德編著的《勞埃德數學趣題大全(題目卷5英
文版)》是一本數學趣題經典，是由Sam Loyd精心編
撰。每道趣題都需要數學來解答謎題，有簡單也有復
雜。有些謎題是經過長時間古老漫長的時間形成的，
具有浪漫色彩和神秘色彩。本書不僅具有趣味性還有
很高的教學意義，通過學習找到樂趣，並通過樂趣加
深學習。

TRADE SECRETS
THE MONASTERY TREASURE
IN A LONDON FOG
THE MISER'S PUZZLE
THE FOUR ELOPEMENTS
THE LAKE PUZZLE
BEATING THE RECORD
A STUDY IN HAMS
PUZZLING PARTNERSHIPS
THE CHINESE PUZZLE
UNCLE SAM'S FOBCHAIN
THE INQUISITIVE CHILD
NO SALE
THE PUZZLE OF MARTHER'S VINEYARD
COUNTING CHICKENS BEFORE THEY ARE HATCHED
THE YACHT RACE
THE DEADWOOD EXPRESS PROBLEM
AN ODD TRICK
THE REAPER'S PROBLEM
SAM LOYD'S ENDLESS CHAIN PUZZLE
THE BATTLE OF HASTINGS
MIXED TEA PUZZLE
THE MATHEMATICAL MILKMAN OF PUZZLELAND
TWO FROM ONE
WHO WILL GET THE NOMINATION
BURIED PROVERB
A STUDY IN COMIC GEORAPHY
A BOTANICLA TREE—TICE
AN ANCIENT REBUS BY FRANKLIN
PERFECT NUMBERS
AN AMUSING CATCH
THE CRAZY CLOCK OF ZURICH
A LEGAL QUESTION
THE POSTMANS PUZZLE
TRADING IN PUZZLELAND
THE MOONSHINERS OF PUZZLELAND
THE PUZZLE OF TRADING CHICKENS
ONCE A PUZZLIST， ALWAYS A PUZZLIST
FORAGING
THE FOX AND THE CORN
THE JOLLY FRIAR'S PUZZLE
THE DANISH FLAG PUZZLE
REMNANT BARGAINS PUZZLE
THE GROCER'S PUZZLE
PUZZLE AND RACES
THE SALARY PUZZLE
THE GRACES AND THE MUSES
THE COURIER PROBLEM
THE COIN PUZZLE
INVESTMENT PUZZLE
IN SEARCH OF KNOWLEDGE
THE LOST STAR
ODDS AND EVENS PUZZLE
POOR ROBINSON CRUSOE
REAPER'S PUZZLE
ABOUT MAGIC SQUARES
THE MUNANE ARAB
ACCIDENTAL BURIALS
LAWN TENNIS PUZZLE
PAT'S RIDDLE
GAMES OF THE EAST
INSTALLMENT PUZZLE
THE REMNANT PUZZLE
THE TORTOISE AND THE HARE
DIAMONDS AND CROSSES
DOUBLE BEHEADINGS AND CURTAILMENTS
CATTLE PUZZLE
RHYMING BIRDS
A SEA SERPENT PUZZLE
CAT AND DOG PUZZLE
A DOZEN OF LEGAL SEPARATIONS
CONDUCTOR'S PUZZLE
THE PISTOL MATCH