The novel "Big Mouth and Ugly Girl" introduces two teenage protagonists, Matt Donaghy and Ursula Riggs, who navigate high school life and personal challenges. Key themes include:
• Matt's characterization as a top student accused of making a bomb threat
• Ursula's complex personality and two distinct moods
• Family dynamics and parental expectations
• The impact of rumors and mistaken identity
• Self-perception and the use of self-deprecating nicknames