Unfortunately, the Spirit Taming book had not given him the answer he wanted. Michael had not consumed the skill book, since it had been far too expensive for him to casually destroy when he still wanted to give another copy to Lily.
Instead, he had read it normally. It took considerably more effort than simply consuming the book, but with his Intelligence and comprehension ability, reading and understanding its contents had hardly been impossible.
By the time he finished, Michael had gained a much deeper understanding of Spirit Taming and even successfully acquired a related Skill through his own comprehension. Unfortunately, its methods could not simply be transferred.
But the purchase had certainly not been a loss. If anything, it had filled Michael's mind with ideas.
Perhaps the solution he wanted did not exist yet. That was fine.
The Spirit Taming book had at least shown him several directions in which he could begin looking.
