Summary: Don’t get stuck in saturated markets. This post reveals 15 specific and profitable low-content book niches that have high demand and low competition, giving you fresh ideas for your next bestseller.

15 Untapped & Profitable Low-Content Book Niches for 2025

One of the biggest mistakes new KDP sellers make is entering hyper-competitive niches. Creating another generic “Daily Planner” or “Lined Journal” is like trying to open a new burger joint next to a McDonald’s—it’s an uphill battle.

The secret to success is finding underserved audiences. You need to “niche down” and create a specific book for a specific person. To get your creative juices flowing, here are 15 profitable, low-competition niche ideas you can start creating today.

Niches for Hobbyists & Enthusiasts

People are passionate about their hobbies and will gladly spend money on tools that enhance them.

1. Sourdough Baking Log Book

Why it works: Sourdough baking is a science. Bakers need to track starter feeding schedules, hydration levels, proofing times, and results. A generic notebook doesn’t cut it.
Interior Idea: Pages with fields for “Date,” “Flour Type,” “Hydration %,” “Bulk Ferment Time,” “Proof Time,” and a section for “Notes & Results.”

2. Urban Foraging Journal

Why it works: Foraging is a growing trend. Foragers need to document where they found specific plants, the time of year, and how they identified them.
Interior Idea: A page for each plant with sections for “Common Name,” “Scientific Name,” “Location Found (with GPS coordinates/map area),” “Date,” “Identifying Features,” and a space for a sketch or photo.

3. Metal Detecting Log Book

Why it works: It’s a hobby built on discovery. Detectorists want to log their finds, the location, the machine settings they used, and the depth of the find.
Interior Idea: A log with columns for “Date,” “Location,” “Machine & Settings,” “Find,” “Estimated Value,” and “Notes.”

4. Home Barista’s Coffee Tasting Journal

Why it works: The “specialty coffee” movement is huge. Coffee lovers want to remember the details of different beans they try.
Interior Idea: Pages with fields for “Coffee Bean Origin,” “Roaster,” “Roast Date,” “Brew Method (Espresso, Pour-Over, etc.),” and a flavor wheel for tasting notes (e.g., Fruity, Nutty, Chocolatey).

5. Board Game Score Keeper

Why it works: Every serious board game group has one person who tracks scores on a scrap of paper. Be their hero.
Interior Idea: Create scorekeeping pages tailored to specific popular games (e.g., Catan, Wingspan, Ticket to Ride) in addition to generic score sheets.

Niches for Life Events & Family

These niches are evergreen and often purchased as gifts.

6. New Puppy/Kitten Health Record

Why it works: New pet owners are overwhelmed. A book to track vaccinations, vet visits, medications, and weight is an incredibly helpful tool.
Interior Idea: Sections for vet contact info, a vaccination schedule chart, pages to log vet visits, and a growth chart.

7. IVF & Fertility Treatment Journal

Why it works: This is a deeply emotional and complex journey. A dedicated journal provides a private, structured space to track appointments, medications, thoughts, and feelings.
Interior Idea: Calendar pages for tracking cycles, appointment logs, medication trackers, and lined pages with gentle, encouraging prompts.

8. “Letters to My Grandchild” Keepsake Journal

Why it works: A beautiful gift idea for grandparents. It’s a guided journal where they can share memories, wisdom, and hopes for their grandchild.
Interior Idea: Pages with prompts like “A story about when your parent was young…,” “My favorite family tradition is…,” and “My wish for you is…”

9. Guest Book for a Child’s Birthday Party

Why it works: It’s more unique than a simple card. Parents can have guests write a small message for the child to read when they’re older.
Interior Idea: Fun, themed pages with a space for the guest’s name and a small message, plus a gift log in the back to make sending thank-you cards easier.

Niches for Small Business & Side Hustles

Help fellow entrepreneurs get organized.

10. Social Media Content Planner for Realtors

Why it works: Realtors know they need to be on social media, but often don’t know what to post. A planner gives them structure.
Interior Idea: Weekly pages with sections for each day, with checkboxes for “New Listing Post,” “Community Spotlight,” “Home Tip,” and “Client Testimonial.” Include a tracker for follower growth.

11. Reseller’s Inventory & Profit Tracker

Why it works: People reselling items from thrift stores or garage sales (on eBay, Poshmark, etc.) need to track their numbers carefully.
Interior Idea: A log with columns for “Item,” “Date Purchased,” “Source,” “Cost,” “Date Sold,” “Sale Price,” “Fees,” and “Net Profit.”

12. Rental Property Maintenance Log

Why it works: Landlords need to keep meticulous records for legal and tax purposes.
Interior Idea: A page for each property with logs to track repairs, contractor information, costs, and routine maintenance checks (e.g., smoke detector tests).

Unique & Quirky Niches

Don’t be afraid to get weird. Weird sells.

13. Dream Journal for Lucid Dreaming

Why it works: Targets a passionate community actively trying to learn a skill.
Interior Idea: Pages with space to record the dream narrative, plus checkboxes for “Was I lucid?”, “Reality checks performed,” and “Dream signs noticed.”

14. Personal Book Library Catalog

Why it works: For the book lover who has everything… except a way to track what they have. It prevents them from buying the same book twice.
Interior Idea: A simple log with columns for “Title,” “Author,” “Genre,” “Date Acquired,” and a checkbox for “Loaned Out To.”

15. My Life in Pixels / Year in Pixels Mood Tracker

Why it works: A visually satisfying and popular way to track moods over a long period.
Interior Idea: A grid of 365 squares, a color key for different moods (e.g., Yellow=Happy, Blue=Sad), and space for notes.

How to Create These Niches Quickly

Reading this list is one thing; creating the books is another. Every single one of these custom interiors can be created in minutes using the Booksgenie.ai AI Interior Generator. Just describe the columns and sections you want, and our AI will build the perfect, unique interior for your next bestselling book.

Start Your Free Trial and Begin Creating in These Niches Today!