KDPEasy Blog

Indie publishing, demystified.

Expert guides and real-world tips for authors who want to sell more books on Amazon KDP — without the guesswork.

Swear word coloring book guide for KDP. Page being colored with markers, mug of coffee, premium gift-style book.

Swear Word Coloring Book KDP: 2026 Profanity Niche Playbook

Swear word coloring books are the most overlooked premium niche on KDP. Higher prices, higher margins, and a customer who buys in pairs. Here is the policy-safe playbook.

Danielle Okonkwo·Feb 28·14 min read

Best low competition coloring book niches for Amazon KDP 2026 showing profitable themes and market trends

Guide

15+ Best Coloring Book Niches for Amazon KDP 2026 (Low Competition)

Generic coloring books drown in competition. These low competition coloring book niches for 2026 combine high demand with low saturation for maximum KDP earnings.

Danielle Okonkwo·Feb 26·11 min read

Partly-finished mandala coloring page in jewel tones with watercolor and brush on a warm wooden desk.

Niche Guide

Mandala Coloring Book Generator: 2026 Differentiation Playbook

Mandalas are the bestselling coloring book theme and also the most ruthless. Differentiation through hybrid themes (mandala + nature, mandala + animals) and proper complexity progression is the only way in.

Danielle Okonkwo·Feb 24·13 min read

Creator workspace for an adult coloring book on KDP: tablet showing line art, proof copies, markers, and natural light.

Tutorial

Create an Adult Coloring Book for KDP: 2026 End-to-End Guide

The adult coloring book market clears $300M+ a year on Amazon, and a single successful title earns $5k-$15k/month. Here is the exact 2026 workflow from niche pick to launch.

Danielle Okonkwo·Feb 21·16 min read

Editorial flat-lay of a designer's desk with a printed book cover proof and a vintage loupe magnifier inspecting print sharpness

Tutorial

Fix Blurry KDP Covers: 2026 Diagnostic & DPI Repair Guide

Blurry covers are almost always one of five solvable problems. This guide walks through the diagnosis flow, fixes them in order of likelihood, and shows the exact export settings that survive KDP's print pipeline.

Danielle Okonkwo·Feb 19·14 min read

Editorial overhead flat-lay of a publishing pre-flight setup with a printed wraparound book cover, tape measure across the spine, and paperback proofs

Guide

Amazon KDP Cover Requirements Checklist 2026: Specs & Pre-Flight

Every KDP cover specification that matters, in one runnable checklist. Bleed, safe zone, spine formula, DPI, CMYK profile, PDF/X-1a, file size, font embedding, barcode zone, and the 15-step pre-flight that catches problems before upload.

Danielle Okonkwo·Feb 17·17 min read

Seven hardcover novels in a matching series fanned across a linen tablecloth, each cover sharing the same brass motif with a different muted accent color

Tutorial

Book Series Covers: Cohesive Design Patterns That Convert

A series only earns read-through when readers can spot Book 2 in a half-second scroll. Here are the four cohesion patterns that work, with the shelf test and thumbnail strip test that prove a set hangs together.

Danielle Okonkwo·Feb 14·15 min read

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