Are Ellie and grant romantically involved with each other in the Jurassic park book?

In Michael Crichton's "Jurassic Park," Ellie Sattler and Alan Grant share a close professional relationship, but their romantic involvement is not deeply explored. They have a mutual attraction and care for each other, but their focus primarily revolves around the challenges posed by the dinosaurs on the island. The book hints at a potential romantic connection, but it is not fully developed or central to the plot.