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Isabelle Rader

Open
Codex Literary Agency·US

Agent profile summary

Represents
new adultadult fictionyoung adultmiddle gradefantasyupmarket fiction
+7 morecommercial fictiondark academiaepic fantasyhistorical fantasycontemporary fantasyromancediverse voices
Looking for
Isabelle is actively looking for New Adult books across genres and is also interested in adult, young adult, and middle grade fantasy plus upmarket and commercial adult fiction with worldbuilding, unique characters, strong plotting, hooks, romantic subplots, and diverse voices.
How to submit
Submit through Isabelle Rader's Codex Literary online query form. Codex asks writers to choose only one Codex agent and notes that it cannot represent authors who have worked with one of its agents on Reedsy or work-for-hire projects.
View source·Agent page
Last checked 9 Jul 2026·Last verified: 9 Jul 2026
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Isabelle Rader is a literary agent at Codex Literary Agency based in US. Their list focuses on genres including new adult, adult fiction, and young adult. Currently open to submissions. Submissions via Online Form. For current guidelines, check the agent's own submission page linked below.

Age Categories

Adult, Young Adult, Middle Grade

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commercial fictionfantasyromancecontemporaryhistorical fictionupmarket fictionhistorymiddle gradeyoung adult (ya)new adult

This profile was last verified on 9 Jul 2026. PairPi tracks UK literary agents' submission guidelines against their own websites. If you spot something wrong, please email hello@pairpi.com.