KDP Cover Dimensions and Spine Width, Calculated
Same book, same page count: cream paper makes the spine 1.4 mm wider than white. The four numbers KDP decides for you, and the paper table that trips people up.
Real KDP market data, not the usual advice.
Same book, same page count: cream paper makes the spine 1.4 mm wider than white. The four numbers KDP decides for you, and the paper table that trips people up.
Kindle Create forces you to install software, format manually, and only works for ebooks. Markfolio converts your manuscript into print-ready PDF and EPUB right from your browser.
BSR, category rank, keyword position, and reviews: what each KDP metric measures, how to read it without misleading yourself, and when it is time to act.
Everything you must verify before uploading your paperback interior PDF and Kindle EPUB to avoid automated review rejections.
Checking BSR manually only gives you a snapshot. A dedicated KDP rank tracker gives you the full picture: daily BSR, category rank, keywords, and reviews with real-time threshold alerts.
From broad topics like "productivity" to narrow, highly viable subniches with estimated entry barriers — before writing 300 pages on a subject nobody is searching for.
When a topic already saturates Amazon top 10, it is too late to start writing. Trend Explorer cross-references 8 real-time platforms to detect momentum before it hits Amazon.