The story of a 14-year-old New York boy and his relationships with a stray tomcat and the people around him.

After the death of wise old Mangan, the Regent of Esphania, many of the regent's skills and qualities seem to have been transferred to his beautiful and intelligent cat, Niffy, who at once attaches herself to the new ruler, Prince Jamas. When the king of a neighboring kingdom seems keen to forge an alliance with Jamas by allowing the prince to marry his niece, the real danger is Yasmin, the wicked queen wife, who poisons everyone she dislikes or suspects...

Keeping a low profile after a painful divorce, Lacey Lancaster spurns the advances of her handsome neighbor, Jack Walker, in spite of their cats' mutual attraction.

Mooch the cat tries to explain what makes Earl's tail wag.

Mooch the cat helps a lonely bird find its flock, which has flown south for the winter.

Even though Tumford the cat is well loved by George and Violet Stoutt, they despair of ever teaching him to apologize when he does something wrong.

Splat the cat is worried that he has not been good enough to deserve a visit and a present from Santa Claus.

Pinkerton's family decides he needs a friend, but is a cat named Rose really suitable?