Mireille Messier (born March 19, 1971) is a Canadian writer of children's literature, who has published work in both English and French."Greater Sudbury proves it is a reading town". Sudbury Star, May 6, 2018. She is most noted for her 2016 book The Branch, which was a shortlisted Governor General's Literary Award finalist for English language children's illustration at the 2016 Governor General's Awards,Mark Medley, "Governor-General's Literary Award short list a serious case of déjà vu". The Globe and Mail, October 4, 2016. and her 2023 book The Magic Cap (Le bonnet magique), which won the Trillium Book Award for French children's literature in 2025.Soufiane Chakkouche, "Aristote Kavungu et Mireille Messier remportent le prix Trillium 2025". L'Express, June 23, 2025.
Born in Montreal, Quebec, and raised in Ottawa, Ontario, she worked in radio in her early career, including stints as director of French programming at CHUO-FM in Ottawa, and as a radio host on CHOD-FM in Cornwall.Paul-François Sylvestre, "Naissance de l’écrivaine Mireille Messier". L'Express, March 14, 2006. She moved to Toronto in 1995, working for TFO as a researcher and reporter for programs such as Panorama and Méga TFO, before publishing her first children's book in 1999.
She has written and published both illustrated picture books for young children and a series of short novels for middle grade readers which centre on Viviane and Simon, young amateur detectives who travel around Ontario solving local mysteries.Paul-François Sylvestre, "Théâtre vs course automobile...". L'Express, February 22, 2011.
Works Mirouille raconte… 7 jours en contes - 1999 Competition : Deal With It From Start to Finish - 2004 Tous les oeufs dans le même panier - 2007 Night Flight (Luca Pirate-joueur-de-hockey-archéologue-chevalier) - 2008 Une Charlotte au chocolat - 2008 Quel fouillis! - 2009 Chapeau Charlotte! - 2010 Tout un méli-mélo! - 2012 Charlotte partout! - 2012 C’est chouette, une maman! - 2013 Quand les zéros deviennent héros - 2013 Embrouilles à Embrun - 2013 Une Charlotte olympique - 2014 La salade de César - 2014 Le voilier d’Olivier – une aventure en anagrammes - 2014 Une bestiole à l’école - 2016 The Branch - 2016 Fatima and the Clementine Thieves (Fatima et les voleurs de clémentines) - 2017 Moi aussi! Moi aussi! - 2017 Whose Egg Is This? (À qui le coco?) - 2018 So Wild! (Tellement sauvage!) - 2018 Sergeant Billy: The True Story of the Goat Who Went to War (Sergent Billy : La vraie histoire du chevreau devenu soldat) - 2019 Treasure (Trésor) - 2019 Nutcracker Night (La magie de Casse-Noisette) - 2019 Je déteste les moustiques, mais... - 2022 Tom-Aime-Tout - 2022 Star: The Bird Who Inspired Mozart - 2022 The Magic Cap (Le bonnet magique) - 2023 No Horses in the House!: The Audicious Life of Artist Rosa Bonheur (Pas de chevaux dans la maison!) - 2023 Une Twiga à Ottawa! - 2024 Déclic à Toronto - 2024 Coupe et soucoupe à Sudbury - 2024 Nevin Knows (Ce que Samuel sait) - 2025 Coup de théâtre à Stratford - 2025
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