{"id":404,"count":1,"description":"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure, and historical elements to create thrilling stories for young readers. His books often feature intricate puzzles, hidden secrets, and strong-willed protagonists who embark on quests to uncover long-lost truths. Wagner\u2019s writing is inspired by classic mystery novels and escape room-style storytelling, which makes his books highly engaging for readers who enjoy solving puzzles and following clues. His detailed world-building and well-crafted plots ensure that his stories are both immersive and intellectually stimulating. Wagner's books appeal to middle-grade and young adult audiences who enjoy a mix of history, science, and mystery in their reading. His ability to keep readers on the edge of their seats with suspenseful storytelling and clever plot twists has earned him a loyal fan base. Through his books, he encourages curiosity, problem-solving skills, and a love for adventure.","link":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/","name":"J. I. Wargner","slug":"j-i-wargner","taxonomy":"book_author","parent":0,"meta":[],"yoast_title":"J. I. Wargner children's books | Little Reads","yoast_metadesc":"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.","acf":[],"yoast_head":"\nJ. I. Wargner children's books | Little Reads<\/title>\n<meta name=\"description\" content=\"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"J. I. Wargner children's books | Little Reads\" \/>\n<meta property=\"og:description\" content=\"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/\" \/>\n<meta property=\"og:site_name\" content=\"Little Reads\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"CollectionPage\",\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/book-author\\\/j-i-wargner\\\/\",\"url\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/book-author\\\/j-i-wargner\\\/\",\"name\":\"J. I. Wargner children's books | Little Reads\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/#website\"},\"description\":\"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/book-author\\\/j-i-wargner\\\/#breadcrumb\"},\"inLanguage\":\"en-US\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/book-author\\\/j-i-wargner\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"J. I. Wargner\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/#website\",\"url\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/\",\"name\":\"Little Reads\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/#organization\",\"name\":\"Reading Mate\",\"url\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/little-reads-logo-dark.svg\",\"contentUrl\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/little-reads-logo-dark.svg\",\"width\":337,\"height\":69,\"caption\":\"Reading Mate\"},\"image\":{\"@id\":\"https:\\\/\\\/readingmate.co.uk\\\/littlereads\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"J. I. Wargner children's books | Little Reads","description":"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/","og_locale":"en_US","og_type":"article","og_title":"J. I. Wargner children's books | Little Reads","og_description":"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.","og_url":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/","og_site_name":"Little Reads","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"CollectionPage","@id":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/","url":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/","name":"J. I. Wargner children's books | Little Reads","isPartOf":{"@id":"https:\/\/readingmate.co.uk\/littlereads\/#website"},"description":"J. I. Wagner is best known for his The Shadow Cipher series, which combines mystery, adventure. J. I. Wargner's book on Little Reads. 7-day free trial.","breadcrumb":{"@id":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/#breadcrumb"},"inLanguage":"en-US"},{"@type":"BreadcrumbList","@id":"https:\/\/readingmate.co.uk\/littlereads\/book-author\/j-i-wargner\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/readingmate.co.uk\/littlereads\/"},{"@type":"ListItem","position":2,"name":"J. I. Wargner"}]},{"@type":"WebSite","@id":"https:\/\/readingmate.co.uk\/littlereads\/#website","url":"https:\/\/readingmate.co.uk\/littlereads\/","name":"Little Reads","description":"","publisher":{"@id":"https:\/\/readingmate.co.uk\/littlereads\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/readingmate.co.uk\/littlereads\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/readingmate.co.uk\/littlereads\/#organization","name":"Reading Mate","url":"https:\/\/readingmate.co.uk\/littlereads\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/readingmate.co.uk\/littlereads\/#\/schema\/logo\/image\/","url":"https:\/\/readingmate.co.uk\/littlereads\/wp-content\/uploads\/2026\/05\/little-reads-logo-dark.svg","contentUrl":"https:\/\/readingmate.co.uk\/littlereads\/wp-content\/uploads\/2026\/05\/little-reads-logo-dark.svg","width":337,"height":69,"caption":"Reading Mate"},"image":{"@id":"https:\/\/readingmate.co.uk\/littlereads\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/readingmate.co.uk\/littlereads\/wp-json\/wp\/v2\/book_author\/404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/readingmate.co.uk\/littlereads\/wp-json\/wp\/v2\/book_author"}],"about":[{"href":"https:\/\/readingmate.co.uk\/littlereads\/wp-json\/wp\/v2\/taxonomies\/book_author"}],"wp:post_type":[{"href":"https:\/\/readingmate.co.uk\/littlereads\/wp-json\/wp\/v2\/our-books?book_author=404"},{"href":"https:\/\/readingmate.co.uk\/littlereads\/wp-json\/wp\/v2\/lr_article?book_author=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}