In the book "A Solitary Blue" by Cynthia Voigt, a pivotal moment in Jeff Greene's life occurs when he returns home from school at the age of seven and a half. On that particular Tuesday in March, he discovers a note left by his mother informing him that she has left and will not be returning. This shocking message marks the beginning of a significant emotional journey for Jeff.

The absence of his mother deeply impacts Jeff, influencing his development and shaping his understanding of relationships and abandonment. This event sets the tone for the exploration of his character throughout the story, highlighting themes of loneliness and resilience as he navigates the challenges that follow her departure.