Futility Closet
In Short
The Hurt Locker
Amara’s Law
Diversion
The Sylvester–Gallai Theorem
Verdict
The Moral Superiority Illusion
Misc
The Tennis Racket Theorem
Long Distance
Out of Joint
A Wide Net
Quinary
Science Marches On
Supervision
Ernst’s Paradox
Blow by Blow
Tableau
Weather and Art
Tête-à-Tête
Complaint
Counterpoint
Perspective
Hobo Ethics
The Fene Cellist
Unquote
Math Notes
In a Word
The Blast Shadow
The Gingerbread Game
Centers of Attraction
The B List
Limerick
Elemental Words
A Pressing Appointment
The Tritone Paradox
Overview
The Five Regiments
Interloper
Post Holes
Living Memory
Offensive Escargot
Sob Story
Fences
“An Autograph Inside a Tree”
Another Skeleton Pair
Wiggle Stereoscopy
Drive-Thru
Presentation
Essentials
Unpaired Words
Summing Up
Fair Enough
Safety First
Of Thee I Sing
Shell Attack
Around the Block
Young and Old
Small World
Unquote
Gunplay
Wildlife
64 Coins
Singmaster’s Conjecture
The Rilke Cryptogram
Progress
In a Word
Reckoning
A Salt Hygrometer
Black and White
“Memorumdrums”
Stargazing
Head Count
“Immune”
Good Works
Parfit’s Hitchhiker
The Tonnetz
Sea Battle
Math Notes
Limerick
A Show of Hands
Brainstorm
The Theory of Deadly Initials
Misc
Noted
Eating Out
Perspective
Suspense
The Seven-Dice Shuffle
“Humility”
A Topology Puzzle
Unquote
Prayer Vigil
Literary
Groundwork
Descent
Accommodation
The Perko Pair
A Curious Letter
Concise
Forefather
Afoot
One World
Help Wanted
Ha!
Mouthful
Paper Route
The Social Whirl
Before and After
Long Distance
The Watercolor Illusion
“A Dimensional Howler”
Riding Along
Milestones
New Leaves
Dark Matter
The Hattusa Green Stone
Chestnut
Snunkoople
Twist
Ahead of Schedule
Unquote
“Words Without Song”
The Embracing Skeletons of Alepotrypa
Penmanship
The Silver Rule
In a Word
Seniority
“To a Lost Sweetheart”
A Union Cipher
Conclusions
The Last Straw
Black and White
Progress
The Brazil Nut Effect
Couplet
Commitment
Training
Census Trouble
Providence
Noted
Conway’s 99-Graph Problem
A Little Help
Upstream Contamination
Track Record
Self-Assessment
Rebus
Ah
Juggling
“The Time-Traveling Hipster”
Update
The Stepping Feet Illusion
An Unsolved Cipher
Misc
Elegy
Taking Stock
Less Art
Interloper
Math Notes
Unquote
Double Duty
Epithet
Borrowed Time
In a Word
Twilight
Hidato
Ready to Hand
Intermission
Time Check
Ghost Tint
Inksmanship
Set Theory
The Long View
Losing Chess
Read It Aloud
The Oppel–Kundt Illusion
The Camel Girl
Down and Up
The Koffka Ring
Memory Span
Family Ties
Limerick
Figures of Speech
Perspective
Overtime
Private Matters
Internal Affairs
The Cylob Cryptogram
Unquote
In a Word
Happy Returns
Infinite Digest
Testimonial
A Folded Story
Fair Enough
Amity
Roman Surprise
The Numerosity Adaptation Effect
Seasonal Characters
Hush-Hush
Selflessness
The Clockwise Ant
A Near Thing
Desperate Measures
Weather Report
Complex Harmony
Waste Not, Want Not
Math Notes
A Second Act
The Petrie Multiplier
Circulation
Square Diamonds
The Tullock Paradox
Fanciful Creatures
A Gettysburg Puzzle
The Number Checks Puzzle
The Disk Covering Problem
Unquote
Quite a Dedication
Life During Wartime
Charged Words
Interest Group
Square Deal
He and She
The Lovers’ Knot
A Few Specific Words
Penetration
Paperwork
Charlie’s Birthday
Prospects
“An Egg Sent Through the Post”
The Pulfrich Effect
The Devil’s Golf Course
Neck Deep
Sliding Dominoes
Guardrails
Inspiration
Daring
Words and Numbers
Hue and Cry
Overboard
Last Words
Observation
“The Impossible Fact”
The Top Hat Illusion
“The Worst of All Puns”
Cameo
Devotion
Portrait
Down Under
Urban Sprawl
Shapes of Things
Unquote
Stained Glass
The Art of Living
In a Word
Tops
The Erdős–Faber–Lovász Conjecture
Noted
Second Coming
Casualties
The Beautiful City
Decalogue
Swivel Engineering
Amen
Long Story
Redux
Insight
Succinct
Viewpoints
Family Matters
Sibling Rivalry
Illumination
To the Life
Busywork
Unquote
Set Piece
Arrears
Hot Woe!
“The Prison Poet’s Farewell”
Toil and Trouble
“Chess of the Future”
Workaround
In a Word
A Late Edit
Efficiency
Conjunction
First Steps
Company
A Dudeney Square
Dead Center
Vivid
Sum of Squares
Credential Envy
Uh-Oh
Body Heat
A Roman New Year
Succinct
Poser
Time Out of Joint
“The Universe and the Philosopher”
Performance Review
Proof Without Words
Words and Numbers
Burattini’s Dragon
Falling Currency
Modern Times
Unquote
Heesch’s Problem
Memories
Summing Up
Black and White
Diplomacy
Solo
One Solution
The Willoughby Postdiction
“WIPEOUT!”
Dymaxion Sleep
Mixed Doubles
In a Word
“History Talks Too Little About Animals”
Misc
Register
Death Do Us Part
Nonary
Round and Round
The High Life
Stellate Thaumaturgy
Exemplary
Oh
Variant
Second Thoughts
Topsy Turvy
The 21-Card Trick
A Harrowing Puzzle
Unquote
One Last Christmas Challenge
An Unbounded Stomach
Breathless
Standards
Round Trip
Homage à Fromage
Last Words
All in the Family
A Chess Maze
Plunges in Dumbness
Another Christmas Quiz
Seeing Double
Self-Seeking
Ah
Food for Thought
In a Word
Jigsy
Schematic
Cut Spelling
Inspiration
The Asahi Illusion
“A Waste of Time”
Another Christmas Quiz
Onlooker
Dividing Line
Gang Aft Agley
Tableau
Saving Santa
Endorsement
Unquote
100 Voices
Extra Large
Progress
Math Notes
Same Thing
Arithmetic
The Roving Wazir
Okay Then
Upgrade
Finale
Observation
An Awkward Pause
Queries
Geomagic
Points of Pride
Query
“Hallelujah!”
Impostor
Nobility
Dead Letters
Roundabout
Home Again
All the Way Down
Briefly
Misc
In a Word
“His Mother-in-Law”
Noted
Close Enough
Midy’s Theorem
Lament
Two Solutions
Constitution
Suggestion
Overspecialized Words
Notice
First Impressions
Black and White
Great Expectations
Personae
Unquote
“The New Regime”
Glorious Summer
Character Study
Trompe-l’œil
Relative
Details
Full House
A Late Valentine?
Making Trouble
First Things
A Self-Intersecting Reflexicon
Noted
Cortège
The Sands of Time
Fervency
Summing Up
Mother Ross
The Bright Side
A Prickly Puzzle
Near Things
Purple Haze
Syllabus
Ahem
A Kitchen Timer
The Paradox of Trust
Deal
Road Show
In a Word
“Jealousy Is as Blind as Love”
“A Happy Retort”
Square Deal
Two Meetings
Up and Down
Black and White
Never Mind
Unquote
An Upper Stove
“Collective Farm”
An NSA Puzzle
In Brief
Velato
Tight Quarters
Lahaina Noon
“The Difficult Case of Wine”
A Perpetual Motion Device
“Narrow Escape of a Mouse”
Education
Number Theory
Watch Your Step
Late Word
Piecework
“A Reading in Unlove”
Five-Sided Story
Double or Nothing
A Grim Friday
Reflections
“Man and Bird”
In a Word
Betrothed Numbers
Constraint
Emergency