1. Fun & Interesting
1.1. Superhero
1.2. Pokémon
1.3. Star Wars
1.4. Adventure
1.4.1. Outside
1.4.2. Pirates
1.4.3. Spies
1.4.4. Scouts
1.5. Dance
1.6. Fashion
1.7. Games
1.7.1. Puzzles
1.7.2. Video Games
1.8. Humor
1.9. Magic
1.10. Movies
1.11. Music
1.12. Trivia
2. Food
2.1. Nutrition
2.2. Bake
2.3. Cook
2.4. Grow
2.4.1. Apples
2.4.2. Pumpkins
3. Sports
3.1. Baseball
3.2. Basketball
3.3. Climbing
3.4. Football
3.5. Hockey
3.6. Ice Skating
3.7. Olympics
3.8. Martial Arts
3.9. Soccer
3.10. Tennis
4. Animals
4.1. Endangered
4.2. Farm
4.3. Habitats
4.4. Pets
4.4.1. Birds
4.4.2. Cats
4.4.3. Dogs
4.4.4. Fish
4.4.5. Horses
4.5. Working
4.6. Zoo
4.7. Amphibians
4.7.1. Frogs
4.8. Birds
4.8.1. of Prey
4.8.2. Penguins
4.9. Bugs
4.9.1. Ants
4.9.2. Bees
4.9.3. Butterflies & Caterpillars
4.9.4. Spiders
4.10. Mammals
4.10.1. Bats
4.10.2. Bears
4.10.3. Cats-Wild
4.10.4. Dogs-Wild
4.10.5. Elephants
4.10.6. Marsupials
4.10.7. Primates
4.11. Reptiles
4.11.1. Alligators & Crocs
4.11.2. Lizards
4.11.3. Snakes
4.11.4. Turtles
4.12. Sea
4.12.1. Dolphins
4.12.2. Fish
4.12.3. Octopods & Squids
4.12.4. Otters
4.12.5. Sharks
4.12.6. Whales
5. Ourselves
5.1. Ability
5.1.1. ADHD
5.1.2. Autism
5.1.3. Dyslexia
5.2. Activism
5.3. Body
5.3.1. Senses
5.3.2. Systems
5.3.2.1. Baby
5.3.2.2. Guts
5.3.2.3. Skelton
5.4. Character
5.4.1. Bullies
5.4.2. Compassion
5.4.3. Manners
5.4.4. Self-Esteem
5.5. Community
5.5.1. Helpers
5.5.1.1. Dental
5.5.1.2. Emergency
5.5.1.3. Medical
5.5.1.4. Police
5.6. Family
5.6.1. Adoption
5.6.2. Divorce
5.7. Feelings
5.7.1. Anger
5.7.2. Loss
5.7.3. Sad
5.8. Growing Up
5.9. Health
5.9.1. Condition
5.9.1.1. Cancer
5.9.1.2. Dementia
5.9.2. Mental
5.9.3. Safety
5.9.4. Yoga
5.10. Identity
5.10.1. Gender
5.10.2. LGBTQ
5.10.3. Race
5.11. Toilet Training
6. Make
6.1. 3D Print
6.2. Art
6.2.1. Sculpt
6.2.2. Art History
6.3. Build
6.3.1. Legos
6.4. Craft
6.4.1. Paper Crafts, nature crafts, multimedia, etc.
6.5. Draw
6.5.1. Comics
6.6. Fold
6.7. Stitch
6.7.1. Crochet
6.7.2. Knit
6.7.3. Sew
7. STEM
7.1. Engineering
7.1.1. Inventions
7.2. Math
7.2.1. Money
7.3. Science
7.3.1. Chemistry
7.3.2. Experiments
7.3.3. Physics
7.4. Space
7.4.1. Exploration
7.4.2. Solar System
7.4.2.1. Meteroids
7.4.2.2. Moon
7.4.2.3. Planets
7.4.2.4. Sun
7.4.3. Stars
7.5. Technology
7.5.1. Coding
7.5.2. Robots
8. World
8.1. Countries
8.2. Culture
8.3. Geography
8.4. Refugees
8.5. History
8.5.1. Africa
8.5.1.1. Egypt
8.5.2. Asia
8.5.2.1. China
8.5.3. Europe
8.5.3.1. Vikings
8.5.3.2. Greece
8.5.3.3. Medieval
8.5.3.4. Rome
8.5.4. Voyages
8.5.4.1. Titanic
8.5.5. WWI
8.5.6. WWII
8.5.6.1. Holocaust
8.5.6.2. Internment
9. Vehicles
9.1. Air
9.1.1. Planes, helicopters, hot air balloons
9.2. Bikes
9.2.1. Bicycles. motorcycles
9.3. Boats
9.4. Cars
9.5. Community
9.6. Construction
9.7. Military
9.7.1. Submarines, fighter jets, aircraft carriers, destroyers, drones
9.8. Racing
9.8.1. NASCAR, BMX, Race Cars
9.9. Trains
9.9.1. Subway, freight trains, passenger trains
9.10. Trucks
10. USA
10.1. States & Washington DC
10.2. National Parks
10.3. Civil Rights
10.3.1. Race
10.3.2. Women
10.3.3. LGBTQ
10.4. Government
10.5. History
10.5.1. Civil War
10.5.2. Colonial History
10.5.2.1. Life
10.5.2.2. Mayflower
10.5.3. Revolutionary War
10.5.4. September 11
10.5.5. Slavery
10.5.6. Westward Expansion
10.6. Immigration
10.7. Military
11. Language
11.1. English
11.1.1. Writing
11.2. Arabic
11.3. ASL
11.4. Braille
11.5. Chinese
11.6. Dutch
11.7. French
11.7.1. Learn>Author
11.7.2. Read> JF/JPB/JER/JGN Author
11.8. German
11.9. Italian
11.10. Japanese
11.11. Portuguese
11.12. Spanish
11.12.1. Learn>Author
11.12.2. Read> JF/JPB/JER/JGN Author
12. Indigenous Peoples
12.1. History
12.2. People
12.3. Stories
12.4. Tribes
13. Earth
13.1. Biomes
13.2. Environment
13.3. Geology
13.3.1. Earthquakes
13.3.2. Ocean
13.3.3. Rocks
13.3.4. Volcanoes
13.4. Life
13.4.1. Evolution
13.4.2. Water
13.5. Plants
13.6. Prehistory
13.6.1. Dinosaurs
13.7. Seasons
13.7.1. Autumn
13.7.2. Spring
13.7.3. Summer
13.7.4. Winter
13.8. Weather
14. People
14.1. Biography
14.2. Artists
14.3. Athletes
14.4. Authors
14.5. Explorers
14.6. Musicians
14.7. Presidents
14.8. Scientists
15. Traditions & Holidays
15.1. Magical Arts
15.2. Philosophy
15.3. Psychic Arts
15.4. Religion
15.4.1. Christianity
15.4.1.1. People
15.4.2. Buddhism
15.4.3. Hinduism
15.4.4. Islam
15.4.4.1. Holidays
15.4.4.1.1. Ramadan
15.4.4.1.2. Eid al-Adha
15.4.4.1.3. Eid al-Fitr
15.4.5. Judaism
15.4.5.1. Holidays
15.4.5.1.1. Passover
15.4.5.1.2. Hanukkah
15.4.5.1.3. Purim
15.4.5.1.4. Yom Kippur
15.4.5.1.5. Rosh Hashana
15.4.5.1.6. Lag Ba'Omer
15.4.5.1.7. Tu B’Shevat
15.4.5.1.8. Sukkot
15.5. Holidays
15.5.1. Christmas
15.5.2. New Year's
15.5.3. Lunar New Year
15.5.4. Groundhog Day
15.5.5. Valentine's Day
15.5.6. St Patrick's Day
15.5.7. Carnivale/Mardi Gras
15.5.8. Easter
15.5.9. Independence Day
15.5.10. Mid-Autumn Festival
15.5.11. Halloween
15.5.12. Dia de Los Muertos
15.5.13. Diwali
15.5.14. Cinco de Mayo
15.5.15. Thanksgiving
15.5.16. Holi
15.5.17. Kwanzaa
15.5.18. Juneteenth
16. Tales
16.1. Folk
16.2. Creatures
16.2.1. Cryptids
16.2.2. Dragons
16.2.3. Fairies
16.2.4. Mermaids
16.2.5. Monsters
16.2.6. Unicorns
16.3. Mystery
16.4. Mythology
16.4.1. Classical
16.4.2. Egyptian
16.4.3. Norse
17. Fiction
17.1. Poetry
17.2. Large Print
17.3. Short Stories
17.4. Plays
17.5. Chapter Books
17.5.1. Who Was
17.6. Graphic Novels
17.6.1. Early Readers
17.6.2. Manga
17.6.3. Non-fiction/Bio
17.7. Picturebook Genres
17.7.1. Autumn
17.7.2. Birthdays
17.7.3. Colors
17.7.4. Dinosaurs
17.7.5. Music
17.7.6. Ninjas
17.7.7. New Baby
17.7.8. Pirates
17.7.9. Royal
17.7.9.1. Princesses, princes, kings, queens, knights
17.7.10. School
17.7.11. Sea Life
17.7.12. Spring
17.7.13. Seasons
17.7.14. Space
17.7.15. Summer
17.7.16. Sports
17.7.17. Things That Go
17.7.18. Winter
17.7.19. Wordless
18. Color Key
18.1. Subcategory with blue divider sign
18.1.1. Sub-Sub Category with a Blue divider sign EXCEPT FOR OURSELVES
18.1.1.1. Third level sub division
18.1.1.1.1. Sub Category that replaces DDC