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5

Days

18

Hours

36

Minutes

9

Seconds

Self Publishing Titans

Titans Pro Extension

Analyze demand and competition directly on Amazon.

Keyword Research Tool

Discover high-demand opportunities.

Reverse ASIN Lookup

See what top competitors are doing.

Hot Niches Done For You

30 profitable niches delivered every month.

Competitor Niche Research

Analyze entire niches before publishing.

7 Backend Keywords Tool

Unlock hidden search visibility.

Puzzle Book Maker

Word searches, crosswords, mazes & more.

Coloring Book Maker

Generate unique coloring interiors.

Low Content Book Maker

Planners, journals, notebooks, workbooks.

Medium Content Book Maker

Create and format professional medium-content KDP interiors.

Author Writing Tool

High Content Book Writing Tool

Cover Design Tool

Create professional KDP-sized covers.

Interior Canvas Designer

Customize layouts and fine-tune formatting.

A+ Content Designer

Build high-converting Amazon A+ modules.

Generate SEO-optimized titles.

Book Description Generator

Craft persuasive descriptions instantly.

Trademark Checker

Check if your title is trademarked.

Guidelines Checker

Check if your book meets Amazon's guidelines.

Book Data Translator

Translate your book data to other languages.

Check if your price is competitive.

Grammar Checker

Check your book for grammar errors.

Author Website Builder

Build your author brand online.

ARC Review Service

Launch with compliant early reviews.

KDP Masterclass

Step-by-step publishing training.

Private Mentorship

Scale faster with expert guidance.

Read our latest articles and insights.

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Sarah J. Maas

Rank #88

Sarah J. Maas

by Sarah J. Maas

Price

$22.40

Days in Top 100

1

Times in Top 100

1

Snapshot Date

April 28, 2026

View Book on Amazon

Tools

Keyword Research — Titans Pro Reverse ASIN Lookup Competitor Research — Deep View 30+ Puzzle & Activity Generators Coloring Book Creator Low Content Book Creator Book Writing & Editing Book Description Generator KDP Title Creator Cover Designer A+ Content Maker Trademark Checker View All Tools →

Chrome Extensions

Titans Pro Chrome Extension Titans Quick View Extension

Free Tools

Free Keyword Research Free BSR Sales Calculator Free Royalty Calculator Free Category Finder Hot KDP Niches View All Free Tools →

Training & Community

KDP Masterclass (80+ Videos)KDP Mentorship Group ARC Reviews Author Page Builder Blog

Resources

Hot KDP Niches KDP Glossary Pen Name Generator QR Code Generator Word Cloud Generator Keyword Tracker

Company

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Page last updated: March 2026 · Tools and data reviewed quarterly