improved, and one side effect of this is that spell masteries can be
learned and taught in all the same ways that any other Ability can.
+# Books
+## Writing
+
+The changes to book writing in *Covenants* are (a) inconsistent (b) make
+books on magic harder to write than books on non-magic topics (c) make the
+canonically listed books not fit right any more; and the
+expensive resonant stuff is probably to expensive except for really good
+books. Also the Lecture Commentry rules from A&A aren't compatable.
+So I have revised the maximum Qualities:
+
+### Summae
+
+Author's Communication + 3 + (up to 3 from skilled artisans) + virtues + (bonus for having a lower level than you could write)
+
+### Tractatus
+
+Author's Communication + 3 + (up to 3 from skilled artisans) + virtues
+
+### Commentaries
+
+Add one to the quality
+
+### Correspondences
+
+First Author's Communication + Second Author's Communication + (up to 3 from skilled artisans)
+
+### Florilegia
+
+Add one or two to the quality as described on Covenants p90
+
+### Glossing
+
+Add one to the quality as described on Covenants p91
+
+### Lecture Commentries
+
+Teacher's Communication + (Scribe's Profession ÷ 2) - 3
+
+### Edited Lecture Commentaries
+
+Teacher's Communication + (Scribe's Profession ÷ 2) - 2 + (up to 2 for skilled binder/illuminator) + virtues