Book of Dragons is a computer-animated/2D-animated short film based on the "How to Train Your Dragon" franchise.
 It was produced by DreamWorks Animation and directed by Steve Hickner.
 The short was released on November 15, 2011, on DVD and Blu-ray, along with "Gift of the Night Fury", another short film based on the "Dragons".
John Sanford Moore (born June 5, 1966), better known as John Moore, is a Canadian radio and television broadcaster, film critic, voice actor and comedian.
 He works for the CFRB 1010 radio station in Toronto.
Legend of the Boneknapper Dragon is a 2010 animated short film by DreamWorks Animation that is a sequel to the feature film, "How to Train Your Dragon".
How to Train a Dog is a 1936 short film released through MGM Studios starring Robert Benchley.
 The short film demonstrates how not to train a dog, following Benchley's character getting the dog from a pet store.
Dawn of the Dragon Racers is a 2014 computer-animated short film by DreamWorks Animation and directed by Elaine Bogan and John Sanford.
 Based on the film series of the same name.
 It was directed by John Sanford and Elaine Bogan, and it features the voices of Jay Baruchel and America Ferrera along with the cast from the television series.
 In the short, a hunt for a lost sheep turns into a competition between Hiccup and his friends for the first title of Dragon Racing Champion of Berk.
Oh Lucy!
 is a short film directed by Atsuko Hirayanagi.
 The short film made its world premiere at the 2014 Cannes Film Festival receiving 2nd place in the Cinéfondation.
 Oh Lucy!
 has since become Academy Qualified by winning the Best International Short Film Award at the 2015 Flickerfest as well as the Short Film Jury Award: International Fiction at the 2015 Sundance Film Festival.
 The short film is the basis of an upcoming eponymous film adaption, also directed by Hirayanagi.
Sue Jones is a British Australian actress.
 She is probably best known for playing Pam Willis in "Neighbours" from 1990 to 1994, with itinerant returns.
 She had also played an ongoing role in the situation comedy "The Tea Ladies" (1978), and was Kathy Hall in "Prisoner" in 1981.
 Other credits include "Blue Heelers", the short film "Pinata" (which premiered at the Melbourne International Film Festival in 2009), and Anthony Crowley's "Shadow Passion" at Chapel Off Chapel in September 2007, playing the role of Margaret.
 In 2013 and 2014, Jones had a recurring role in the ABC comedy series "Upper Middle Bogan" as Pat.
The Master is a 2016 computer animated short film directed by Jon Saunders, written by Jon Saunders, Ross Evans, Carey Yost and Remington D. Donovan and produced by Ryan Halprin.
 The short film was released on September 23, 2016, with Warner Animation Group's "Storks".
 It stars Jackie Chan as Master Wu.
 The short follows Wu and an annoying chicken.
 This is the first Lego short film to be released in theaters, and is also the first theatrical short film from the "Lego Movie" franchise.
Mad Hatter Entertainment is a literary management and TV and film production company based in Los Angeles, California.
 Founded in 2004 by Michael Connolly, Mad Hatter Entertainment is best known for co-producing the How to Train Your Dragon franchise along with the Netflix series Hemlock Grove.
How to Train Your Dragon franchise (also referred to as simply HTTYD) from DreamWorks Animation consists of two feature films "How to Train Your Dragon" (2010) and "How to Train Your Dragon 2" (2014), with a third and final planned for a 2019 release.
 The franchise is loosely based on the British book series by Cressida Cowell.
 The franchise also consists of four short films: "Legend of the Boneknapper Dragon" (2010), "Book of Dragons" (2011), "Gift of the Night Fury" (2011) and "Dawn of the Dragon Racers" (2014).
 A television series following the events of the first film, "", began airing on Cartoon Network in September 2012.
 Its second season was renamed "Dragons: Defenders of Berk".
 Set several years later, and as a more immediate prequel to the second film, a new television series, titled "Dragons: Race to the Edge", aired on Netflix in June 2015.
 The second season of the show was added to Netflix in January 2016 and a third season in June 2016.
 A fourth season aired on Netflix in February 2017 and a fifth season in August 2017.

Question: Which short film was directed by John Sanford and Elaine Bogan for the How to Train Your Dragon franchise?
Answer: Dawn of the Dragon Racers