10 Low-Content Book Niches You Never Thought Of

I was sitting at The Nook last week, watching my girlfriend fill out her planner (the fancy kind with all the stickers), and I realized something: there are people making actual money creating these things.

Not writing novels. Not even writing much at all.

Just making books that other people fill in.

Low-content books are having a moment on Amazon KDP right now. We're talking planners, journals, logbooks, notebooks. Stuff people actually use. And while everyone's fighting over the same tired niches (gratitude journals, wedding planners, generic notebooks), there are these weird little pockets nobody's talking about.

So here's the thing. I spent way too much time researching this, and I found some genuinely strange niches that are just sitting there. Some of them made me laugh. Some made me think "wait, people buy that?" But all of them have search volume and low competition.

Let's get into it.

1. Pet Symptom Trackers

Look, I know it sounds weird. But pet owners are intense about their animals. Like, call-the-vet-because-Fluffy-sneezed-twice intense.

There are people searching for ways to track their pet's symptoms, medications, vet visits, weight changes. They want to bring organized notes to the vet instead of trying to remember if the limping started Tuesday or Wednesday.

What works: Daily symptom logs, medication schedules, vet appointment records, weight tracking charts, behavior pattern logs. You can do this for dogs, cats, horses, even reptiles.

Why it's open: Everyone's making generic pet journals. Nobody's making the specific symptom tracker that worried pet parents actually need.

2. Appliance Maintenance Logs

I know. I know. This sounds boring as hell.

But here's what happened: my fridge started making a weird noise. Repair guy asked when I last cleaned the coils. I had no idea. He asked when I bought it. Also no idea.

Homeowners need this. Especially people with multiple properties or expensive appliances. They want to track when they changed the furnace filter, when they cleaned the dryer vent, when they last serviced the HVAC.

What works: Monthly maintenance checklists by room, warranty tracking pages, repair history logs, seasonal task reminders, appliance purchase date records.

Why it's open: It's not sexy. So nobody's making them. But people are definitely searching for them.

3. Seed Starting Journals for Gardeners

Gardening books exist. Like, a lot of them.

But most are either full books with actual gardening advice, or they're generic garden journals. There's a gap for the specific niche of people starting plants from seed.

These people need to track germination dates, transplant schedules, success rates by variety, soil mix ratios, lighting setups. They're nerdy about it. They want data.

What works: Seed starting calendars, variety comparison charts, germination rate trackers, transplant schedule planners, yearly success logs.

Why it's open: Too specific for general garden journals. Not specific enough for anyone to think of it as its own product.

4. Restaurant Bucket Lists

Foodies are a whole thing. They travel for food. They wait in lines for food. They take pictures of food before eating it.

But most food journals are either recipe books or generic tasting notes. What's missing is the travel aspect. The bucket list element.

What works: Restaurant checklists by city, must-try dish trackers, Michelin star checklists, James Beard award restaurant lists, food truck logs, hole-in-the-wall discoveries.

Why it's open: Travel journals exist. Food journals exist. But the overlap? Wide open.

5. Side Project Tracking Logs

Everyone has a side project. Most people have three or four they're "working on."

What they don't have is a system to actually track progress without it feeling like work. They don't need another productivity planner telling them to wake up at 5am. They need a simple log.

What works: Project milestone trackers, time spent logs (without the guilt), revenue tracking for side hustles, experiment logs, failure documentation (seriously), idea capture pages.

Why it's open: Productivity planners are everywhere. But they're too intense for the person just trying to build something on the side.

6. Thrift Flip Documentation Books

There's a whole community of people who buy stuff at thrift stores, fix it up, and resell it.

They're tracking purchase prices, repair costs, time invested, selling prices, profit margins. They want to know which types of items are worth their time. They're running actual businesses out of their garages.

What works: Purchase logs with photos, repair cost tracking, time investment logs, before/after comparison pages, profit calculation sheets, best-selling item trackers.

Why it's open: Too niche for general business planners. Too specific for reselling guides to cover.

7. Medication Trial Journals

This one's important. People with chronic conditions often try multiple medications before finding what works.

They need to track symptoms, side effects, dosage changes, what works, what doesn't. They need to bring this information to doctors. They need it organized.

What works: Daily symptom scales, side effect logs, dosage tracking, mood and energy levels, sleep quality, doctor visit notes, questions to ask next time.

Why it's open: Medical journals exist but they're generic. This needs to be specific to the trial-and-error process.

8. Film Photography Shot Logs

Film is back. Especially with younger photographers who never experienced the digital transition.

But here's the thing about film: you can't see what you shot until it's developed. So photographers keep logs. They track settings, lighting, film type, lens used. Then when the photos come back, they can learn what worked.

What works: Shot-by-shot logs with technical settings, film roll tracking, development notes, contact sheet pages, yearly film usage logs, favorite shots documentation.

Why it's open: Digital photography books are everywhere. Film-specific tracking? Almost nothing.

9. Neighborhood Walk Discovery Journals

People are walking more. Especially after the last few years.

But it's not just exercise. It's exploration. People are discovering their own neighborhoods. Finding new coffee shops, weird architecture, hidden parks, local businesses.

They want to document this stuff. Not in a serious way. Just a simple log.

What works: Route maps, discovery logs, local business finds, interesting architecture notes, seasonal changes, neighbor interaction logs, best times to walk different routes.

Why it's open: Travel journals are for far away. Walking journals are too close to exercise logs. This is the middle ground.

10. Subscription Tracking Organizers

Everyone has too many subscriptions. Everyone forgets what they're paying for.

There are apps for this. But some people just want a physical page where they write it all down once a year. See it. Cancel what they don't use.

What works: Monthly subscription lists, annual cost calculators, renewal date tracking, free trial logs (so you cancel before they charge you), service comparison pages, password storage.

Why it's open: Too mundane for most book creators. Too obvious to think of as its own product. But people are searching for it.

Here's The Thing About These Niches

None of them are sexy. You're not going to brag about making a pet symptom tracker.

But that's exactly why they work. Low competition means you can actually rank. Specific means people who need it will find it. Useful means they might actually buy it.

The people making money with low-content books aren't chasing the obvious niches. They're finding these weird little gaps where someone's searching but nobody's selling.

You don't need a massive audience. You need the right 50 people to find your book when they search for exactly what they need.

That's it. That's the whole strategy.

Now if you'll excuse me, I have a coffee shop to drive 30 minutes to. Completely inefficient. Also where I do my best thinking.