Snail's Selectable Pact of the Tome Spells

When you chose Pact of the Tome at level up, you will be given an actual Book of Shadows. This book contains all the cantrips in the base game, which can be used to choose which 3 spells you got from the pact of the tome. After selecting your three spells by using them, the Book of Shadows will disappear. The book is not usable unless you are a warlock, and cannot be transferred between inventories.

This happens again at Level 5 to allow you to choose your 3 deepened pact spells from the 3rd level spells in the game. These can only be cast once per long rest but don't use up a spell slot.

Optional File is a patch to include the spells in Mystra's Spells.

Link to guide for patching in more spells

Add support for choosing the spells if you take the eldritch invocation Book of Ancient Secrets.