Quirky, Jerky, Extra Perky: More about Adjectives (Words Are CATegorical ®)

Hairy, Scary, Ordinary: What Is an Adjective? (Words Are CATegorical ®)

A Second, a Minute, a Week with Days in It: A Book about Time (Math Is CATegorical ®)

Feet and Puppies, Thieves and Guppies: What Are Irregular Plurals? (Words Are CATegorical ®)

Dearly, Nearly, Insincerely: What Is an Adverb? (Words Are CATegorical ®)

How Long or How Wide?: A Measuring Guide (Math Is CATegorical ®)

I and You and Don't Forget Who: What Is a Pronoun? (Words Are CATegorical ®)

A Lime, a Mime, a Pool of Slime: More about Nouns (Words Are CATegorical ®)

Pitch and Throw, Grasp and Know: What Is a Synonym? (Words Are CATegorical ®)

Slide and Slurp, Scratch and Burp: More about Verbs (Words Are CATegorical ®)

I'm and Won't, They're and Don't: What's a Contraction? (Words Are CATegorical ®)