- Walter "Red" Barber
- War Fever
- Washington Baseball Annual Vol. 2
- Washington Nationals 2019
- Washington Nationals 2020
- Washington Nationals 2021
- Washington Senators All-Time Greats
- Washington Senators All-Time Greats <!--Washington Nationals-->
- Watching Baseball
- Watching Baseball for Beginners
- Watching Baseball Smarter
- We are the Champions Now
- We Got to Play Baseball
- Westminster Baseball 2014
- Westminster Baseball 2015
- Whales, Terriers, and Terrapins: The Federal League 1914-15
- What Baseball Means to Me
- What Has Happened To Baseball? A Concentrated Look at Analytics, Poker, and Intuition
- What If the Babe Had Kept His Red Sox?
- When Baseball was King The New York Yankees were King of Baseball
- When Baseball was King The New York Yankees were King of Baseball
- When Baseball Went to War
- When Boston Still Had the Babe: The 1918 World Champion Red Sox
- When Shea Was Home
- When the Game Changed
- When the Monarchs Reigned
- When the Red Sox Ruled
- When the Yankees Were on the Fritz: Revisiting the "Horace Clark Era"
- When Your Wife Has Tommy John Surgery and Other Baseball Stories
- Where Have All Our Cubs Gone?
- Where Nobody Knows Your Name
- Where's Harry?
- Wherever I Wind Up
- White Sox Park's Amazing Vendors
- Who's on Worst?
- Why Another Book About Baseball?
- Why I Hate the Yankees
- Why You Can't Clone Koufax
- Wichita State Baseball Comes Back
- Wild Cards
- Wild Pitches:
- Willie Keeler
- Willie Mays
- Willie Mays Aikens
- Willie's Time
- Windy City World Series I: 1906, White Soxcubs
- Winners
- Winning on the North Side: The 1929 Chicago Cubs
- Wire to Wire
- With the Boys
- Wits, Flakes, and Clowns
- Wizardry
- Won for the Ages
- World Series Winners
- Wrecking Crew
- Wrigley Field's Amazing Vendors
- Wrigley Field: The Centennial
- Wrigleyville