Details of the 100 most borrowed authors for PLR Year 2009 can be found here.
(These lists include authors who are registered with PLR as well as others who are ineligible for remuneration under the PLR Scheme.)
| Position | Title | Author/Contributor |
| 1 | Official Driver Theory Test | Prometric Ireland Ltd./Road Safety Authority |
| 2 | The boy in the striped pyjamas | John Boyne |
| 3 | The secret scripture | Sebastian Barry |
| 4 | This charming man | Marian Keyes |
| 5 | Harry Potter and the Deathly Hallows | J.K. Rowling |
| 6 | Twilight | Stephenie Meyer |
| 7 | Heart and soul | Maeve Binchy |
| 8 | Harry Potter and the half-blood prince | J.K. Rowling |
| 9 | A thousand splendid suns | Khaled Hosseini |
| 10 | Lessons in heartbreak | Cathy Kelly |
| 11 | Horrid Henry and the bogey babysitter | Francesca Simon ; illustrated by Tony Ross |
| 12 | The brass verdict | Michael Connelly |
| 13 | Harry Potter and the philosopher’s stone | J.K. Rowling |
| 14 | Horrid Henry and the mega-mean time machine | Francesca Simon ; illustrated by Tony Ross |
| 15 | Horrid Henry’s stinkbomb | Francesca Simon ; illustrated by Tony Ross |
| 16 | Horrid Henry and the football fiend | Francesca Simon ; illustrated by Tony Ross |
| 17 | Someone special | Sheila O’Flanagan |
| 18 | Forgive and forget | Patricia Scanlan |
| 19 | My sister Jodie | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 20 | New moon | Stephenie Meyer |
| 21 | The BFG | Roald Dahl |
| 22 | Eclipse | Stephenie Meyer |
| 23 | This year it will be different | Maeve Binchy |
| 24 | Captain Underpants and the big, bad battle of the Bionic Boy | Dav Pilkey |
| 25 | Happy ever after | Patricia Scanlan |
| 26 | Once in a Lifetime | Cathy Kelly |
| 27 | Harry Potter and the chamber of secrets | J.K. Rowling |
| 28 | The gathering | Anne Enright |
| 29 | The Witches | Roald Dahl |
| 30 | Horrid Henry tricks the tooth fairy | Francesca Simon ; illustrated by Tony Ross |
| 31 | Candyfloss | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 32 | Harry Potter and the Prisoner of Azkaban | J.K. Rowling |
| 33 | The kite runner | Khaled Hosseini |
| 34 | Horrid Henry’s haunted house | Francesca Simon ; illustrated by Tony Ross |
| 35 | Horrid Henry and the mummy’s curse | Francesca Simon ; illustrated by Tony Ross |
| 36 | Horrid Henry’s underpants | Francesca Simon ; illustrated by Tony Ross |
| 37 | Fantastic Mr Fox | Roald Dahl |
| 38 | Horrid Henry’s revenge | Francesca Simon ; illustrated by Tony Ross |
| 39 | The gift | Cecelia Ahern |
| 40 | Horrid Henry meets the Queen | Francesca Simon ; illustrated by Tony Ross |
| 41 | Brooklyn | Colm Toibin |
| 42 | Matilda | Roald Dahl |
| 43 | George’s marvellous medicine | Roald Dahl |
| 44 | Harry Potter and the order of the phoenix | J.K. Rowling |
| 45 | Sail | James Patterson |
| 46 | Charlie and the chocolate factory | Roald Dahl |
| 47 | Best friends | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 48 | Breaking dawn | Stephenie Meyer |
| 49 | Horrid Henry’s nits | Francesca Simon ; illustrated by Tony Ross |
| 50 | Thanks for the memories | Cecelia Ahern |
| 51 | The twits | Roald Dahl |
| 52 | Dracula | Bram Stoker |
| 53 | Remember me? | Sophie Kinsella |
| 54 | Horrid Henry gets rich quick | Francesca Simon ; illustrated by Tony Ross |
| 55 | Man gone down | Michael Thomas |
| 56 | Hold tight | Harlan Coben |
| 57 | Horrid Henry and the secret club | Francesca Simon ; illustrated by Tony Ross |
| 58 | The Diamond girls | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 59 | Horrid Henry and the abominable snowman | Francesca Simon ; illustrated by Tony Ross |
| 60 | Songs of the humpback whale | Jodi Picoult |
| 61 | Bad behaviour | Sheila O’Flanagan |
| 62 | Past secrets | Cathy Kelly |
| 63 | Clean break | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 64 | James and the giant peach | Roald Dahl |
| 65 | The appeal | John Grisham |
| 66 | Under the hawthorn tree | Marita Conlon-McKenna |
| 67 | The White Tiger | Aravind Adiga |
| 68 | The secret | Rhonda Byrne |
| 69 | 7th heaven | James Patterson |
| 70 | Horrid Henry’s Christmas cracker | Francesca Simon ; illustrated by Tony Ross |
| 71 | The overlook | Michael Connelly |
| 72 | Cookie | Jacqueline Wilson |
| 73 | Testimony | Anita Shreve |
| 74 | Cross Country | James Patterson |
| 75 | Horrid Henry’s evil enemies | Francesca Simon ; illustrated by Tony Ross |
| 76 | Nineteen minutes | Jodi Picoult |
| 77 | Horrid Henry and other stories | Francesca Simon ; illustrated by Tony Ross |
| 78 | Doors open | Ian Rankin |
| 79 | A long long way | Sebastian Barry |
| 80 | Change of heart | Jodi Picoult |
| 81 | The Private Patient | P.D. James |
| 82 | The business | Martina Cole |
| 83 | Gone tomorrow | Lee Child |
| 84 | Angels in my hair | Lorna Byrne |
| 85 | Deadly intent | Lynda La Plante |
| 86 | Harry Potter and the goblet of fire | J.K. Rowling |
| 87 | The broken window | Jeffery Deaver |
| 88 | Jacky Daydream | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 89 | Scarpetta | Patricia Cornwell |
| 90 | Nothing to lose | Lee Child |
| 91 | Whitethorn Woods | Maeve Binchy |
| 92 | A prisoner of birth | Jeffrey Archer |
| 93 | Horrid Henry rules the world | Francesca Simon; illustrated by Tony Ross |
| 94 | Horrid Henry robs the bank | Francesca Simon ; illustrated by Tony Ross |
| 95 | Starring Tracy Beaker | Jacqueline Wilson ; illustrated by Nick Sharratt |
| 96 | Fields of home | Marita Conlon-McKenna |
| 97 | Keeping the dead | Tess Gerritsen |
| 98 | Don’t be horrid, Henry | Francesca Simon; illustrated by Tony Ross |
| 99 | Horrid Henry’s wicked Ways | Francesca Simon ; illustrated by Tony Ross |
| 100 | The associate | John Grisham |
The PLR Registrar is satisfied for the information in this release to be made widely accessible, provided that PLR’s role in compiling the information is acknowledged.