Ender Wiggin is the most important character. He's a brilliant and complex boy chosen for Battle School to train to fight the Buggers. Valentine, his sister, is also important. She has a deep connection with Ender and represents a more empathetic side. Colonel Graff is a key figure too. He's in charge of Ender's training and often makes difficult decisions regarding Ender.
The main themes include survival. In the harsh environment of Battle School and the threat of the Buggers, characters have to fight to survive. There's also the theme of manipulation. The adults in the story manipulate the children, especially Ender, for their own ends in the war against the Buggers. And the theme of identity. Ender struggles with who he really is as he's shaped by the military training.
One common theme is the exploration of Ender's character further. Writers often want to dig deeper into his psyche, like his guilt and how he copes with it. Another theme is alternate universes. They create different scenarios for Ender, such as if he had made different choices during the battles. Friendship is also a theme, showing his relationships with other characters in new lights.
In 'Enders Game', Mazer Rackham's story is crucial. He was the hero who defeated the Formics in a previous invasion. His victory became a legend and a strategic model. Ender was later trained based on Rackham's experiences.
The theme of leadership is prominent. Ender has to lead in difficult situations, making tough decisions. Also, the idea of identity is there. Ender struggles to define himself as a person outside of the military expectations placed on him.
Ender is the most important character. He is a brilliant child who is chosen for military training. His sister Valentine also plays a significant role. She is a source of kindness and normalcy in Ender's life.
Valentine is also very important. She is Ender's sister. She represents the emotional connection that Ender has to his family and a more empathetic side of humanity. She has a different path from Ender but still plays a role in his life.
One of the main themes in 'Enders Game short story' is the cost of war. Ender is trained from a young age to be a military leader. He has to make difficult decisions that have a great impact on others, and he realizes the heavy toll that war takes, not just in terms of lives lost but also on the souls of those involved.
The value of an autographed 'Enders Game' novel can vary greatly. It depends on factors like the condition of the book, the rarity of the signature, and where you are selling or buying it. Generally, if it's in good condition and the signature is genuine, it could be worth a decent amount to collectors, perhaps anywhere from $50 to several hundred dollars.