The fourth annual BookCon, the fan-driven counterpoint to BookExpo, took place on June 3 and 4 at the Javits Center in New York City. Approximately 20,000 readers of all ages gathered for a weekend of panels, giveaways, photo-ops, and other opportunities to connect with favorite authors. We’ve rounded up some photo highlights from the convention here. And see our report from BookCon here.

YA author Sarah J. Maas is swarmed by fans at the Justice for DC and YA Heroes panel. Maas’s take on Catwoman releases in 2018 from Random House as part of the DC Icons series.

Chelsea Clinton signs copies of her new picture book, She Persisted: 13 American Women Who Changed the World (Philomel).

(From l.): Wednesday Books authors Allison Raskin, Rainbow Rowell, and Gaby Dunn strike a pose; at BookCon, Rowell revealed her plans to write the Runaways series for Marvel.

Laini Taylor (Strange the Dreamer, Little, Brown) (c.) and Marissa Meyer (Renegades, Feiwel and Friends) (r.) face off in the annual Truth or Dare panel, hosted by Cristina Arreola, books editor at Bustle.

M.T. Anderson (r.) chats about his new book, Landscape with Invisible Hand (Candlewick), with host Scott Rogowsky at the BookCon live talk show.

(From l.): Jeff Kinney, Daniel Handler, Roger Sutton, Mary Pope Osborne, and Kwame Alexander get ready to take the stage for the Kids’ Book Blockbuster panel.

Karuna Riazi signs copies of her debut novel, The Gauntlet, released in March by Simon & Schuster’s new imprint, Salaam Reads.

Jenny Han (Always and Forever, Lara Jean) (l.) and Morgan Matson (The Unexpected Everything) at their Cookies & Coffee event in the S&S booth. Fans got to meet the authors and take photos while enjoying a mid-morning pick-me-up.

Eager readers storm the front of the room after Cassandra Clare’s Out of the Shadows panel. Book two in Clare’s Dark Artifices series, Lord of Shadows (S&S/McElderry), was published in May. Photo: Claire Kirch

(From l.): Erin Russell, Rachel Renée Russell, Nikki Russell, and Aladdin publisher Mara Anastas enjoy the “Dork Lounge,” which featured daily cupcake happy hours and giveaways of Dork Diaries and Max Crumbly swag.

YouTube star and author Ryan Higa (Ryan Higa’s How to Write Good, Little, Brown) poses with his cardboard twin.

R.L. Stine celebrates the 25th anniversary of Goosebumps in thrilling fashion.

(From l.): HarperCollins authors Kendare Blake, Katharine McGee, Soman Chainani, and Danielle Paige are all smiles after the Epic Reads Meet-up.

Megan Whalen Turner (c.) connects with fans at the Epic Reads Meet Up.

See our report from BookExpo 2017 here.