Animals:
* A for Alligator, B for Bear, C for Cat, etc.
* A for Animals of the Jungle, B for Birds of the Sky, C for Creatures of the Sea, etc.
* A for Adopt a Pet, B for Be Kind to Animals, C for Care for Wildlife, etc.
Nature:
* A for Apple, B for Butterfly, C for Cloud, etc.
* A for Autumn Leaves, B for Blossoming Flowers, C for Colorful Rainbow, etc.
* A for Amazing Earth, B for Beautiful Nature, C for Climate Change, etc.
People & Places:
* A for Artist, B for Baker, C for Cartoonist, etc.
* A for Africa, B for Brazil, C for Canada, etc.
* A for Adventures, B for Belief, C for Community, etc.
Things & Concepts:
* A for Airplane, B for Bicycle, C for Car, etc.
* A for Alphabet, B for Books, C for Color, etc.
* A for Achievement, B for Brave, C for Creative, etc.
Fun & Quirky:
* A for All the Things I Love, B for Best Friends Forever, C for Cookies & Milk, etc.
* A for Absurd, B for Bizarre, C for Crazy, etc.
* A for Astrology, B for Broken Hearts, C for Cattitude, etc.
Tips for choosing a topic:
* Think about your audience: What age group are you creating the book for? What are their interests?
* Choose a topic that is engaging and relevant: The topic should be something that captures the attention of your readers.
* Consider the visual element: Will the topic lend itself well to illustrations?
Remember, an ABC book can be anything you want it to be! Have fun with it and be creative!