Unlikethe Grimoire for the Apprentice Wizard which focuses on the lessons one must learn to become a Wizard, this tome focuses on putting those lessons to use with hands-on magickal training to be paired with your Studies at GSW.

Chapters are based on the Departments of Oberon's Grey School of Wizardry:
Alchemy
Beast Mastery
Ceremonial Magick
Cosmology
Divination
Healing
Lifeways
Lore
Mathemagicks
Metapsychics(now known as psychic arts)
Natural Philisophy 
Performance Magic
Magickal Practice
Sorcery (now called "Defence against the Dark Arts)
Wizardry
And Wortcunning!

Inside you will find materials and exercises from the vaults of the Grey School, and instruction from the faculty. Step-by-step instructions are provided for:
How to make a Wizard's wand
How to make your own runes
How to make a pocket sundial
How to make and use a firebow
How to make the milky way galaxy
How to make your own amulets and talismans
Potions for all purposes
How to conjure illusions and create special effects
And many other amazing projects…

Companion for the Apprentice Wizard also includes a number of hand-drawn, full-page diagrams of magickal objects to copy, cut out, and assemble, including:
Spinners for psychokinesis
A Planetary Hour Calculator
The Mariner's Astrolabe
A winged dragon
A model of the mystic pyramid
A model of Leonardo da Vinci's Ornithopter