Final answer:
Lev's unwavering determination is one thing he doesn't struggle with throughout the entire book.
Step-by-step explanation:
In the book, the main character Lev struggles with numerous challenges and obstacles. However, one thing he doesn't struggle with throughout the entire book is his determination to overcome adversity.
Lev demonstrates unwavering perseverance in the face of difficult circumstances. He remains resolute and focused on his goals, refusing to give up despite the challenges he faces.
His determination is evident in his actions and decisions, guiding him through the story and ultimately helping him achieve personal growth and success.