[6] As an entertainment journalist, Maggs has also contributed to io9,[7] Tor.com,[8] Time Out London,[9] National Post,[10] Marie Claire,[11] The Guardian,[12] PC Gamer,[13] BuzzFeed,[14] and Barnes & Noble.

[18] Dubbed "extraordinary" by Entertainment Weekly,[19] the book shares the histories of notable women in the STEM fields, adventure, and espionage.

In 2018, she published Girl Squads: 20 Female Friendships That Changed History with Quirk Books, which Booklist referred to as "impressively researched and fascinating".

The story follows a pair of twins as they run away from their older sister for a chance to meet one of their favorite celebrities at a giant comics and pop culture convention.

The book follows the third Wasp, Nadia van Dyne, as she learns to balance her science career with school, superheroes, and the general stress and strain that comes with being a teenager.

[30] Her story filled in the life and experiences of the series' first-ever female redshirt, and she told SyFy Wire that, "It's easy to forget, when you're watching any sci-fi, that the goons and extras and henchmen who die for the sake of plot momentum or main character development are all (hypothetically) people with their own lives and families and stories… Now, [Thompson] isn't just another one of the faceless masses who die so Kirk may live.

[40] Other projects include the Viz Media manga adaptation of Rainbow Rowell's bestselling YA novel Fangirl, with illustrations by Gabi Nam, released on October 13, 2020.

[43] From 2016 through 2018, Maggs worked as an associate writer for the video game studio BioWare, where she contributed writing to the Cards Against Humanity: Mass Effect pack.