1.Horrid Henry (1994) (Horrid Henry's Perfect Day, Horrid Henry's Dance Class, Horrid Henry and Moody Margaret, Horrid Henry's Holiday)
2.Horrid Henry and the Secret Club (1995) (Horrid Henry's Injection, Horrid Henry and the Secret Club, Perfect Peter's Horrid Day, Horrid Henry's Birthday Party)
3.Horrid Henry Tricks the Tooth Fairy (Previously published as Horrid Henry and the Tooth Fairy) (1996) (Horrid Henry Tricks the Tooth Fairy, Horrid Henry's Wedding, Moody Margaret Moves In, Horrid Henry's New Teacher)
4.Horrid Henry's Nits (1997) (Horrid Henry's Nits, Horrid Henry and the Fangmangler, Horrid Henry's School Trip, Horrid Henry and the 공식 만찬, 저녁 식사 Guests)
5.Horrid Henry Gets Rich Quick (Previously published as Horrid Henry Strikes it Rich) (1998) (Horrid Henry Runs Away, Horrid Henry's Sports Day, Horrid Henry Gets Rich Quick, Horrid Henry's Christmas)
6.Horrid Henry's Haunted House (1999) (Horrid Henry and the Comfy Black Chair, Horrid Henry's Haunted House, Horrid Henry's School Fair, Horrid Henry Minds his Manners)
7.Horrid Henry and the Mummy's Curse (2000) (Horrid Henry's Hobby, Horrid Henry's Homework, Horrid Henry's Swimming Lesson, Horrid Henry and the Mummy's Curse)
8.Horrid Henry's Revenge (2001) (Horrid Henry's Revenge, Horrid Henry's Computer, Horrid Henry Goes to Work, Horrid Henry and the Demon 공식 만찬, 저녁 식사 Lady)
9.Horrid Henry and the Bogey Babysitter (2002) (Horrid Henry Tricks and Treats, Horrid Henry and the Bogey Babysitter, Horrid Henry's Raid, Horrid Henry's Car Journey)
10.Horrid Henry's Stinkbomb (2002) (Horrid Henry Reads a Book, Horrid Henry's Stinkbomb, Horrid Henry's School Project, Horrid Henry's Sleepover)
11.Horrid Henry's 팬티, 속옷 (2003) (Horrid Henry Eats a Vegetable, Horrid Henry's Underpants, Horrid Henry's Sick Day, Horrid Henry's Thank 당신 Letter)
12.Horrid Henry Meets the 퀸 (2004) (Horrid Henry's Chores, Moody Margaret Casts a Spell, Horrid Henry's Bathtime, Horrid Henry Meets the Queen)
13.WBD: Horrid Henry's Bedtime (2005) (Horrid Henry's Bedtime, Don't Be Horrid Henry, Horrid Henry's Diary, Just Wondering)
14.Horrid Henry and the Mega-Mean Time Machine (2005) (Horrid Henry's Hike, Horrid Henry and the Mega-Mean Time Machine, Perfect Peter's Revenge, Horrid Henry Dines at Restaurant Le Posh)
15.Horrid Henry and the Football Fiend (2006) (Horrid Henry Peeks at Peter's Diary, Horrid Henry and the Football Fiend, Horrid Henry Goes Shopping, Horrid Henry's Arch Enemy)
16.Horrid Henry's 크리스마스 크래커 (2006) (Horrid Henry's 크리스마스 Play, Horrid Henry's 크리스마스 Presents, Horrid Henry's Ambush, Horrid Henry's 크리스마스 Lunch)
17.Horrid Henry and the Abominable Snowman (2007) (Horrid Henry and the Abominable Snowman, Horrid Henry's Rainy Day, Moody Margaret's Makeover, Horrid Henry's Author Visit)
18.Horrid Henry Robs the Bank (2008) (Horrid Henry's Newspaper, Moody Margaret's School, Perfect Peter's Pirate Party, Horrid Henry Robs the Bank)
19.Horrid Henry Wakes the Dead (2009) (Horrid Henry and the TV Remote, Horrid Henry's School Election, Horrid Henry's Bad Present, Horrid Henry Wakes the Dead)
20.Horrid Henry Rocks (2010) (Horrid Henry's Invasion, Moody Margaret's Sleepover, Horrid Henry's Autobiography, Horrid Henry Rocks)
21.Horrid Henry's Hotel (2011) (Aeobic Al's New Television, Horrid Henry Moves in, Horrid Henry's Hotel and Moody Margaret goes to hospital)
2.Horrid Henry and the Secret Club (1995) (Horrid Henry's Injection, Horrid Henry and the Secret Club, Perfect Peter's Horrid Day, Horrid Henry's Birthday Party)
3.Horrid Henry Tricks the Tooth Fairy (Previously published as Horrid Henry and the Tooth Fairy) (1996) (Horrid Henry Tricks the Tooth Fairy, Horrid Henry's Wedding, Moody Margaret Moves In, Horrid Henry's New Teacher)
4.Horrid Henry's Nits (1997) (Horrid Henry's Nits, Horrid Henry and the Fangmangler, Horrid Henry's School Trip, Horrid Henry and the 공식 만찬, 저녁 식사 Guests)
5.Horrid Henry Gets Rich Quick (Previously published as Horrid Henry Strikes it Rich) (1998) (Horrid Henry Runs Away, Horrid Henry's Sports Day, Horrid Henry Gets Rich Quick, Horrid Henry's Christmas)
6.Horrid Henry's Haunted House (1999) (Horrid Henry and the Comfy Black Chair, Horrid Henry's Haunted House, Horrid Henry's School Fair, Horrid Henry Minds his Manners)
7.Horrid Henry and the Mummy's Curse (2000) (Horrid Henry's Hobby, Horrid Henry's Homework, Horrid Henry's Swimming Lesson, Horrid Henry and the Mummy's Curse)
8.Horrid Henry's Revenge (2001) (Horrid Henry's Revenge, Horrid Henry's Computer, Horrid Henry Goes to Work, Horrid Henry and the Demon 공식 만찬, 저녁 식사 Lady)
9.Horrid Henry and the Bogey Babysitter (2002) (Horrid Henry Tricks and Treats, Horrid Henry and the Bogey Babysitter, Horrid Henry's Raid, Horrid Henry's Car Journey)
10.Horrid Henry's Stinkbomb (2002) (Horrid Henry Reads a Book, Horrid Henry's Stinkbomb, Horrid Henry's School Project, Horrid Henry's Sleepover)
11.Horrid Henry's 팬티, 속옷 (2003) (Horrid Henry Eats a Vegetable, Horrid Henry's Underpants, Horrid Henry's Sick Day, Horrid Henry's Thank 당신 Letter)
12.Horrid Henry Meets the 퀸 (2004) (Horrid Henry's Chores, Moody Margaret Casts a Spell, Horrid Henry's Bathtime, Horrid Henry Meets the Queen)
13.WBD: Horrid Henry's Bedtime (2005) (Horrid Henry's Bedtime, Don't Be Horrid Henry, Horrid Henry's Diary, Just Wondering)
14.Horrid Henry and the Mega-Mean Time Machine (2005) (Horrid Henry's Hike, Horrid Henry and the Mega-Mean Time Machine, Perfect Peter's Revenge, Horrid Henry Dines at Restaurant Le Posh)
15.Horrid Henry and the Football Fiend (2006) (Horrid Henry Peeks at Peter's Diary, Horrid Henry and the Football Fiend, Horrid Henry Goes Shopping, Horrid Henry's Arch Enemy)
16.Horrid Henry's 크리스마스 크래커 (2006) (Horrid Henry's 크리스마스 Play, Horrid Henry's 크리스마스 Presents, Horrid Henry's Ambush, Horrid Henry's 크리스마스 Lunch)
17.Horrid Henry and the Abominable Snowman (2007) (Horrid Henry and the Abominable Snowman, Horrid Henry's Rainy Day, Moody Margaret's Makeover, Horrid Henry's Author Visit)
18.Horrid Henry Robs the Bank (2008) (Horrid Henry's Newspaper, Moody Margaret's School, Perfect Peter's Pirate Party, Horrid Henry Robs the Bank)
19.Horrid Henry Wakes the Dead (2009) (Horrid Henry and the TV Remote, Horrid Henry's School Election, Horrid Henry's Bad Present, Horrid Henry Wakes the Dead)
20.Horrid Henry Rocks (2010) (Horrid Henry's Invasion, Moody Margaret's Sleepover, Horrid Henry's Autobiography, Horrid Henry Rocks)
21.Horrid Henry's Hotel (2011) (Aeobic Al's New Television, Horrid Henry Moves in, Horrid Henry's Hotel and Moody Margaret goes to hospital)
