Sharks vs Dinosaurs
450 million years of ocean dominance vs 12,800 lbs of bite force
🦈 Existed 450M years
🦕 T-Rex: 12,800 lb bite
💡 Sharks regrow up to 30,000 teeth in a lifetime
BOOK 1 OF 6
This vs That: Ultimate ShowdownThe one that started it all
15 iconic matchups from Sharks vs Dinosaurs to Tornadoes vs Hurricanes. Real stats, wild facts, and debates that never end.
All 15 Matchups
What's Inside Ultimate Showdown
Every matchup comes with real stats, mind-blowing facts, and a vote checkbox. Here's the full lineup.
Pizza vs Tacos
350 slices eaten per second in the US vs 4.5 billion tacos a year
🍕 350 slices/second (US)
🌮 4.5 billion/year (US)
💡 The world's largest pizza was bigger than a basketball court
Dragons vs Unicorns
Fire-breathing destroyers vs magical healers — every continent has the legends
🐉 Myths on every continent
🦄 4,000+ years of legend
💡 Scotland's national animal is the unicorn
Ninjas vs Pirates
Silent assassins of feudal Japan vs cannon-wielding Caribbean outlaws
🥷 Stealth rating: 5/5
🏴☠️ Intimidation: 4/5
💡 Pirates actually voted on decisions and shared treasure fairly
The Sun vs The Moon
10,000°F surface vs the force that controls Earth's tides
☀️ 1.3 million Earths fit inside
🌙 Only 12 humans walked on it
💡 Sunlight takes 8 minutes and 20 seconds to reach Earth
Cats vs Dogs
600 million cats worldwide vs 500 million dogs — the eternal rivalry
🐱 Sleep 12–16 hrs/day
🐶 Smell 10,000x better than us
💡 Cats have 32 muscles in each ear — humans have 6
Invisibility vs Flying
The ultimate superpower debate — sneak or soar?
🫥 Sneak factor: 5/5
🕊️ Freedom factor: 5/5
💡 72% of people choose flying — but invisibility fans disagree
Summer vs Winter
Endless sunshine vs snow days and hot cocoa
☀️ Longest days of the year
❄️ Most holidays of any season
💡 No two snowflakes are alike — each has ~200 ice crystals
The Ocean vs Outer Space
We've explored 5% of the ocean. The universe is 93 billion light-years across.
🌊 2+ million species
🌌 100–400 billion stars
💡 There are more artifacts in the ocean than in all museums combined
Knights vs Samurai
55 lbs of steel plate armor vs the sharpest sword ever made
⚔️ Chivalry code
🗡️ Bushido code
💡 Samurai were also expected to be artists — poetry, calligraphy, tea
Monster Trucks vs Race Cars
6 tons of car-crushing mayhem vs 230 mph and ceiling-driving downforce
🛻 Tires taller than most kids
🏎️ 0 to 60 in under 2 seconds
💡 F1 cars produce enough downforce to drive upside down on a ceiling
Ice Cream vs Cake
Over 1,000 flavors worldwide vs the undisputed king of birthdays
🍦 ~50 licks per scoop
🎂 128,238 lb biggest cake ever
💡 Ice cream was invented around 200 BC in China
Tornadoes vs Hurricanes
300+ mph winds in 10 minutes vs 2 weeks of 10,000-nuclear-bomb energy
🌪️ 300+ mph (EF5)
🌀 Energy = 10,000 nukes/day
💡 The eye of a hurricane is completely calm and blue
Bigfoot vs Loch Ness Monster
10,000+ sightings across North America vs 1,400 years of Scottish mystery
🦶 10,000+ reported sightings
🦕 First sighting: 565 AD
💡 Researchers called 'Squatchers' camp for weeks hunting Bigfoot
Roller Coasters vs Water Slides
149 mph and 6G forces vs 3,600-foot-long water slides through shark tanks
🎢 Up to 6G (fighter jet level)
🛝 Some go through shark tanks
💡 The first roller coasters were ice slides in 1700s Russia
FAQ
Quick Answers
What age is this book for?
Written for curious minds of all ages. The facts and debates work great for family conversations — readers from 6 to 60+ love it.
Are the facts actually real?
Every single stat and fact is researched and fact-checked. We cite real data for every matchup.
Is there a winner for each matchup?
Nope — you decide. We give you the stats and facts for both sides with a vote checkbox at the end. There's no "right" answer.
How many books are in the series?
Six! Each with 15 unique matchups: Ultimate Showdown, Animal Kingdom, Gross & Weird, Food Fight, Science Smackdown, and Sports Showdown. 90 total matchups.
Is there a YouTube channel?
Yes! Every matchup gets an animated video breakdown with stats, facts, and a community vote. Subscribe to This vs That on YouTube.
The Full Series
Explore All 6 Books
Each book has a different theme, 15 unique matchups, and zero overlap.
Book 2
Animal Kingdom
Lion vs Tiger, Great White vs Orca, Honey Badger vs Wolverine
See all 15 matchups →
Book 3
Gross & Weird
Burps vs Farts, Cockroach vs Fly, Zombie Ants vs Vampire Bats
See all 15 matchups →
Book 4
Food Fight
Chocolate vs Vanilla, Pancakes vs Waffles, Hot Dogs vs Hamburgers
See all 15 matchups →
Book 5
Science Smackdown
Black Holes vs Supernovas, Robots vs AI, Volcanoes vs Earthquakes
See all 15 matchups →
Book 6
Sports Showdown
Soccer vs Basketball, Boxing vs MMA, Swimming vs Running
See all 15 matchups →