A girl whose subconscious contains dangerous ancient knowledge finds her voice in this " gripping ... emotionally resonant " ( School Library Journal , starred review) middle grade sci-fi fantasy perfect for fans of Diana Wynne Jones and Scott Reintgen. Is there safety in silence? In the city of Danak-Tol, children known as codexes are chosen to safeguard echoes--fragments of ancient knowledge too valuable to destroy but too dangerous to use. Forbidden to speak lest she accidentally release her echo, codex ...
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A girl whose subconscious contains dangerous ancient knowledge finds her voice in this " gripping ... emotionally resonant " ( School Library Journal , starred review) middle grade sci-fi fantasy perfect for fans of Diana Wynne Jones and Scott Reintgen. Is there safety in silence? In the city of Danak-Tol, children known as codexes are chosen to safeguard echoes--fragments of ancient knowledge too valuable to destroy but too dangerous to use. Forbidden to speak lest she accidentally release her echo, codex Delta lives a lonely life. Still, she knows she must obey the wardens' strict rules to keep her home safe from the vicious beasts, heretical Scrappers, and toxic blood storms that lurk beyond the city walls. But when Delta breaks her vows to help a young girl escape a blood storm, she begins to have strange dreams, which lead her to question everything she knows to be true about herself and her city. To find answers, Delta must journey to the one place she most fears: the wasteland beyond the walls of Danak-Tol. Together with her small but feisty mechanical companion Flick, Delta dares the perilous ruins of a long-abandoned skyship, the gullet of a ravenous sphincter worm, and even befriends a young Scrapper named Drii. But all these adventures only lead to more questions. What is the true danger that threatens her entire planet--is it really her echo, or is it the silence that has imprisoned the truth for so long?
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Add this copy of The Delta Codex to cart. $17.20, new condition, Sold by Books2anywhere rated 5.0 out of 5 stars, ships from Fairford, GLOUCESTERSHIRE, UNITED KINGDOM, published 2026 by Atheneum Books for Young Readers.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
Add this copy of The Delta Codex to cart. $17.29, new condition, Sold by GreatBookPricesUK5 rated 5.0 out of 5 stars, ships from Castle Donington, DERBYSHIRE, UNITED KINGDOM, published 2026 by Atheneum Books for Young Readers.
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New. Sewn binding. Cloth over boards. 288 p. Intended for a juvenile audience. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
Add this copy of The Delta Codex to cart. $17.42, like new condition, Sold by GreatBookPricesUK5 rated 5.0 out of 5 stars, ships from Castle Donington, DERBYSHIRE, UNITED KINGDOM, published 2026 by Atheneum Books for Young Readers.
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Fine. Sewn binding. Cloth over boards. 288 p. Intended for a juvenile audience. In Stock. 100% Money Back Guarantee. Brand New, Perfect Condition, allow 4-14 business days for standard shipping. To Alaska, Hawaii, U.S. protectorate, P.O. box, and APO/FPO addresses allow 4-28 business days for Standard shipping. No expedited shipping. All orders placed with expedited shipping will be cancelled. Over 3, 000, 000 happy customers.
Add this copy of The Delta Codex to cart. $19.77, new condition, Sold by Kennys.ie rated 4.0 out of 5 stars, ships from Galway, IRELAND, published 2026 by Atheneum Books for Young Readers.
Add this copy of The Delta Codex to cart. $20.12, new condition, Sold by Booksplease rated 4.0 out of 5 stars, ships from Southport, MERSEYSIDE, UNITED KINGDOM, published 2026 by Atheneum Books for Young Readers.
Add this copy of The Delta Codex to cart. $12.99, good condition, Sold by More Than Words rated 5.0 out of 5 stars, ships from Waltham, MA, UNITED STATES, published 2026 by Atheneum Books for Young Readers.
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Add this copy of The Delta Codex Format: Hardback to cart. $19.74, new condition, Sold by indoo rated 5.0 out of 5 stars, ships from Avenel, NJ, UNITED STATES, published 2026 by Atheneum Books for Young Readers.
Add this copy of The Delta Codex to cart. $21.29, new condition, Sold by Ingram Customer Returns Center rated 5.0 out of 5 stars, ships from NV, USA, published 2026 by Atheneum Books for Young Readers.
Add this copy of The Delta Codex to cart. $26.99, new condition, Sold by Russell Books rated 5.0 out of 5 stars, ships from Victoria, BC, CANADA, published 2026 by Atheneum Books for Young Readers.
