The novel “Speaker for the Dead” by Orson Scott Card was published for the first time in 1986. It’s the second book in the Ender’s Game series and follows “Ender’s Game”. It won the Hugo and Nebula Awards as the best novel of the year.

Pipo is a xenologist who studies the sentient alien species that was discovered on the planet Lusitania. The rules regarding his work are very strict, so he can have limited contact and above all exchanges with those who are familiarly called pigs. When Pipo is killed by the pigs for incomprehensible reasons, his son Libo continues the work but Novinha, who used to be Pipo’s apprentice, has secreted crucial information on the affair.

Andrew “Ender” Wiggin is a Speaker for the Dead and receives via ansible Novinha’s request to write an elegy for Pipo. When he discovers the story of the pigs of Lusitania, he realizes that for him, it’s the opportunity to make amends for his past and find a new home for the queen of the Formics he has been carrying with him for a long time. When he arrives on Lusitania, Ender discovers that Libo has also been killed by the pigs.

The novel “Forbidden Planet” by W.J. Stuart was published for the first time in 1956.

A spaceship commanded by John J. Adams approaches the planet Altair-4. The mission is to establish the fate of a previous expedition that reached the same planet about twenty years earlier. However, in a radio contact, Professor Morbius tries to convince Adams to turn back because a grave danger awaits the crew on the planet.

Adams is not convinced and lands his spaceship in the area near ​​Professor Morbius’ radio transmitter. While he’s carrying out the first environmental assessments with his crew, Adams is reached by a vehicle driven by a robot that invites them to meet Morbius. A small group goes to meet Morbius and discovers that he has a daughter, Altaira. They’re the only survivors of the first expedition, but the man seems very reticent to explain the details of what happened and the nature of the danger.

The novel “Judas Unchained” by Peter F. Hamilton was published for the first time in 2004. It’s the second book in the Commonwealth Saga and follows “Pandora’s Star”.

The Primes’ attack has caused a crisis in the InterSolar Commonwealth. The planets devastated by the aliens are the most obvious problem, but there are long-term consequences to be assessed. The priority is to stop further invasions of planets colonized by humans, but it’s necessary to find a way to defeat them as well.

While Ozzie Isaac continues his quest for answers, someone in the Commonwealth starts believing that there may be something real behind the story of the Starflyer. The war seems to have a chance to end only with the genocide of one of the two species involved.