Captain Underpants and the terrifying return of Tippy Tinkletrousers : the ninth epic novel

Captain Underpants & the terrifying return of Tippy Tinkletrousers.

Captain Underpants ;

Captain Underpants;

Super Diaper Baby 2 : the invasion of the potty snatchers

Invasion of the potty snatchers.

Super Diaper Baby II

The invasion of the potty snatchers

Invasión de los ladrones de inodoros

The adventures of Ook and Gluk. Kung-fu cavemen from the future

Kung-fu cavemen from the future

Ricky Ricotta's mighty robot vs. the mecha-monkeys from Mars : the fourth robot adventure novel

Mighty robot vs. the mecha-monkeys from Mars

Ricky Ricotta's mighty robot versus the mecha-monkeys from Mars

Ricky Ricotta ;

Ricky Ricott's mighty robot;

Ricky Ricotta's mighty robot vs. the voodoo vultures from Venus : the third robot adventure novel

Ricky Ricotta's giant robot vs. the voodoo vultures from Venus

Ricky Ricotta's mighty robot versus the voodoo vultures from Venus.

Ricky Ricotta's giant robot versus the voodoo vultures from Venus

Ricky Ricotta's giant robot ;

Ricky Ricotta's mighty robot vs. the mutant mosquitoes from Mercury : the second robot adventure novel

Ricky Ricotta's giant robot versus the mutant mosquitoes from Mercury

Ricky Ricotta's Mighty Robot;

Captain Underpants and the attack of the talking toilets : the second epic novel

Captain Underpants and the attack of the talking toilets.

Attack of the talking toilets

Captain Underpants ;