Of the Texts of Shapeshifting and Genderous Sorts

On the Language of Transitional Forms, a slender volume that provides the basis for a notable school of shapeshifting and genderous witches in Creation

It documents the motion of being, and the ways in which one thing in motion may become as another

This creational book has a void-aspected companion titled On the Interpretation of Absent Figures

Unlike it’s sibling, this book focuses on the transformations of formless things and on their educing, showing instead that what is was always already as something else

This second book is not illegal per se, but it is common wisdom that the Interpretation is to be avoided until one has mastered the Language. It’s popularity in certain circles of summoners has also given it a degree of not-unwarrented notoriety