Twilight Sparkle is doing some very important research (will she ever do one that is not important?), and it seems that she lacks one book which may be of an utmost importance for her.

It is a comedy poem, so please don't take it serious.

Proofreaded by an amazing Agetian Maywind, who made so many useful corrections, and later proofreaders are warewolves and lonelyCur, who also gave many much needed pieces of advice.