When Dinosaurs Ruled the Earth

In the chapter When Dinosaurs Ruled the Earth the endorsement team visits the Visitor Center just before their tour of Jurassic Park.

Plot
While inside the Visitor Center, Donald Gennaro asks if Isla Nublar was safe visitors and that the dinosaurs were properly contained. He sites the Procompsognathus specimen that Dr. Alan Grant identified, reports of Procompsognathus attacks in March, and how the infant mortality rate of Costa Rica alternates from low to high bi-weekly since May-July as why he is concerned about Jurassic Park's safety. Dr. Ian Malcolm responds to Donald Gennaro's discourse saying that some of the dinosaurs might be escaping, but he disagrees that they are the cause of the high mortality rate among infants in Costa Rica because it is a nonlinear signature and that to get such a high rate that it would take 100s of escaped dinosaurs when he only believes a few have gotten to the mainland.

Ian suggests that the cause is most likely other causes, such as a new strain of Influenza. Donald then asks why Dr. Malcolm why he believes dinosaurs would be escaping the island. He states that none can duplicate and isolate a natural ecosystem, considering it impossible. John Hammond gets infuriated with Dr. Ian Malcolm's claims to the point he departs from the room he was in. Ian continues to speak on how the park will never work until what is believed to be the helicopter containing the Procompsognathus specimen for Dr. Alan Grant lands on island.

However, it turns out to be a helicopter dropping off Hammond's grandchildren Tim and Lex Murphy who were going to spend the weekend there due to their parents divorce. Donald Gennaro argues with John Hammond warning him that his park's safety is still questionable, but Hammond insists that Jurassic Park is safe for them.