Insanity Team Books

Prisoner of the Immortal Yaoi

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In the realm of Arklain the war between the gods and demons has finally ended. The clan of the Immortals now rules. They've demanded that each clan give up their most powerful member, called a 'Ket...

Prisoner Of The Immortal Yaoi

By Insanity Team

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Desire of the Gods

By Insanity Team

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Loki has found love with the young god Baldur, but his unresolved issues with Odin stand in the way. A tragic romantic tale based on characters from Norse mythology. Also in this book are two short...

Yaoi hentai

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This is yaoi at its most extreme: graphic scenes of loving between a college professor and his student, a bar-hopper and some thugs who kidnap him, members of a corrupt soccer team, and a tentacle...

Yaoi Gold Bundle

By Colter Hillman, Calissa Leigh, Yishan Li, Insanity Team, Yamila Abraham

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.