How many was that?

The 48 Laws of Power
The Seven Habits of Highly Effective People
The Nine Planets
The Five People You Meet in Heaven
Seven Lies

One Text, Two Results: Printing on Paper and Vellum (does that count twice?)
Six of One, by Rita Mae Brown
Five Hundred Years of Book Design
Ten Years of Exile, by Germaine de Stael
Forty Years of Opera in Chicago

forty signs of rain
three dialogues between hylas and philonous
a tale of two cities
fifty readings in philosophy
the three pillars of zen

The List of Seven by Mark Frost
2061: Odyssey Three by Arthur C. Clarke
Miss One Thousand Spring Blossoms by John Ball
The Cat Who Had Sixty Whiskers by Lilian Jackson Braun
Six Impossible Things by Elizabeth Cadell

One Day In The Life Of Ivan Denisovich
The Seven Pillars Of Wisdom
Forty Words For Sorrow
Three Men In A Boat
One Hundred Years Of Solitude

50 in 50:50 stories for 50 years by Harry Harrison
10 lb. Penalty by Dick Francis
9tail Fox by Jon Courtenay Grimwood
4:50 from Paddington by Agatha Christie
365 Ways to Cook Chicken by Carl Lyren

five dialogues
the fourth way
the seven storey mountain
three essays on religion
the two towers

The 8:55 to Baghdad
The Fifth Book Of Peace
Dona Flor And Her Two Husbands
1000 Places To See Before You Die
Catch-22

1000 Rings: Inspiring Adornments for the Hand
101 Bench Tips for Jewelers
500 Bracelets: An Inspiring Collection of Extraordinary Designs
Fifty degrees below
Fifty short science fiction tales
First Test

One Flew Over The Cuckoo's Nest
Slaughterhouse-Five
The Third Chimpanzee
One Thousand And One Arabian Nights
Ten Little Indians

Round the World Again in 80 Days: Tour du Monde en 80 Jours by Jean Cocteau
Three Fortunes in One Cookie: a novel by Cochrane Lambert
A Land of Two Halves: An Accidental Tour of New Zealand by Joe Bennett
The nine tailors by Dorothy L. Sayers
One fish, two fish, red fish, blue fish by Dr. Seuss

One Corpse Too Many by Ellis Peters
The Two Gentlemen of Verona by William Shakespeare
Three Days of Rain by Richard Greenberg
The Rule of Four by Ian Caldwell and Dustin Thomason
The Five Red Herrings by Dorothy Sayers

We3 by Grant Morrison

334 by Thomas M. Disch

Nightmare at 20,000 feet by Richard Matheson

Phase IV by Barry N. Malzberg

The cold six thousand by James Ellroy

The 13th Valley
The Nine Billion Names Of God
Four Seasons In Five Senses
3 Cups Of Tea
1491

The Nine Emotional Lives Of Cats
We Were Five
Across Five Aprils
365 Days
One To One: Experiences In Psychotherapy

One Bullet Away
The Singular Pilgrim
Thirteen Ways Of Looking At The Novel
The First Circle
What Are The Seven Wonders Of The World?

The Power of One by Bryce Courtenay
Two Lives by Vikram Seth
Three Weeks with My Brother by Nicholas Sparks
The Sign of Four by Arthur Conan Doyle
Five on Treasure Island by Enid Blyton

100 Strokes Of The Brush Before Bed
Julie And Julia: 365 Days, 524 Recipes, 1 Tiny Apartment
I'll Go To Bed At Noon
The Moon And Sixpence
The First Deadly Sin

Talking from 9 to 5 by Deborah Tannen
Sister Wendy's 1000 Masterpieces
Two Years before the Mast by Richard Henry Dana
Two-Part Invention by Madeleine L'Engle
Dave Barry Turns 40 by Dave Barry

1984
Around the World in 80 Days
The Crying of Lot 49
The 2% Solution}
101 People Who Are Screwing Up America

Nineteen Minutes
The Tenth Circle
The Five Chinese Brothers
Stalag 17
The 39 Steps

Nineteen Varieties of Gazelle Naomi Shihab Nye
36 Views of Mt. Fuji Cathy N. Davidson
The 64 Square Looking Glass Burt Hochberg
911 Beauty Secrets Diane Irons
Hiroshige: 100 Famous Views of Edo Henry W. Smith

The Twelve Caesars
Ancient Rome On Five Denarii A Day
The Five Ages Of The Universe: Inside The Physics Of Eternity
The Fifty Minute Hour: A Collection Of Psychoanalytic Tales
Thirteen Moons: A Novel

The Sharpeville Six
Three Day Road
Nineteen Minutes
26a
Twenty-six

1776 by David McCullough
Walk Two Moons by Sharon Creech
Life of Pi by Yann Martel
A Dance of Three by Louise Plummer
The No. 1 Ladies' Detective Agency by Alexander McCall Smith

Again, let's see if I can do this with all children's books..
365 Penguins a math and counting book for kids
17 Things I'm not allowed to do anymore a book about all the things a little girl does to get in trouble

And two by Dr. Seuss
One Fish, Two Fish, Red Fish, Blue Fish
The 500 Hats of Bartholomew Cubbins

And a real counting book..
Counting Ovejas a bilingual Spanish - English book about counting colorful sheep

D-Day: The Sixth Of June
Abraham: A Journey To The Heart Of Three Faiths
The Hundred Brothers
Life: A Natural History Of The First Four Billion Years On Earth
Level 4: Virus Hunters Of The CDC

Merton: The Seven Storey Mountain
Hawthorne: The House of Seven Gables
Lawrence: The Seven Pillars of Wisdom
Frost: The List of Seven
Christie: The Seven Dials Mystery

Now We Are Six by A.A. Milne
The List of 7 by Mark Frost
The Eight by Katherine Neville
Nine Princes in Amber by Roger Zelazny
Ten Little Indians by Agatha Christie

ShannonMDE, I'll match your children's books--

Half Magic by Edward Eager
One is One by Barbara Leonie Picard
One Step, Two... by Charlotte Zolotow
One, Two, Three! by Sandra Boynton
Dusty Locks and the Three Bears by Susan Lowell

Eats, Shoots & Leaves: The Zero Tolerance Approach to Punctuation by Lynn Truss
Nineteen Minutes by Jodi Picoult
The tenth justice by Brad Meltzer
A Thousand Splendid Suns by Khaled Hosseini
The Zero Game by Brad Meltzer

501 Sewing Hints by Nancy Zieman
The Time of the Fourth Horseman by Chelsea Quinn Yarbro
Legend of the Seventh Virgin by Jean Plaidy
One Foot in the Grave by Wm. Mark Simmons
The One Tree by Stephen R. Donaldson
The Two Towers by J. R. R. Tolkien

Odd One Out by Monica McInerney
Two Steps Forward by Graeme Simsion
Three Wishes by Liane Moriarty
Four Fires by Bryce Courtenay
Five Little Peppers and How They Grew by Margaret Sidney

Bunker 13 by Aniruddha Bahal
2666 by Roberto Bolaño
Fahrenheit 451 by Ray Bradbury
One Fine Day in the Middle of the Night by Christopher Brookmyre
The Three Musketeers by Alexandre Dumas

Seventeen by Booth Tarkington

Explosive Eighteen; a Stephanie Plum novel
by Janet Ivanovich

The House of the Seven Gables by Nathaniel Hawthorne

The Four Agreements: A Practical Guide to Personal Freedom
by Miguel Ruiz

Gary Graysonʻs Hill Street Eleven by Elmer Dawson

The Three-Body Problem
Thirteen Diamonds
Verdict of Twelve
The Wind's Twelve Quarters
The Woman in Cabin Ten

In the Tenth House; a novel
by Laura Dietz

The Eleventh Commandment
by Geoffrey Archer

The Thirty three Doctors of the Church
by Christopher Rengers

The Gallant Six Hundred: a Tragedy of Obsession
by John Harris

A Thousand Shall Fall
by Hans Have

Number the Stars by Lois Lowry
One of Us: Anders Breivik and the Massacre in Norway by Åsne Seierstad
Me Talk Pretty One Day by David Sedaris
Two on a Tower by Thomas Hardy
A Brief History of Seven Killings by Marlon James

Infinity and the Mind by Rudy Rucker
How to Bake Pi by Eugenia Chung
Factfulness: Ten Reasons why we're Wrong about the World by Hans Rosling
The Men Who Breached the Dams: 617 Squadron "the Dambusters" by Alan Cooper
Just Six Numbers by Martin Rees

The Forty-five Guardsmen by Alexandrre Dumas

Reminiscences of Forty-seven Years Clerical Life in South Australia

Ffty-five Feathers by Ben Brown

Drei Kameraden = Three Comrades
by Erich Maria Remarque

Eleven Eleven by Paul Dowswell

Trullion: Alastor 2262
Wyst: Alastor 1716
Marune: Alastor 933

The Five Gold Bands
When the Five Moons Rise

The Book of Isaiah in Fifteen Studies

Esperanto in Twenty Lessons ed. by C. S. Griffin

Hundreds and Hundreds by Peter Dickinson

Common School Literature, English and American with Several Hundred Extracts to be Memorized
by J. Willis Westlake A.M.

Blackout-- One Evacuee in Thousands
by Mark Wheeller