In 'Pack Up the Moon', Kristan Higgins deftly weaves a tale of love's resilience in the face of life's ultimate tragedy. Joshua Park, a scientist not accustomed to the chaos of emotions, grapples with the loss of his vivacious wife, Lauren. Before her untimely death, Lauren crafts a year's worth of letters, each guiding Joshua through the tumultuous stages of grief. The simplicity of buying groceries and the unexpected alliance forged in a clothing store while in tears become pivotal milestones on his path to healing. Through missteps, memories, and laughter amidst tears, Joshua embarks on the poignant journey Lauren plotted for him, where the nonlinear path to happiness reveals itself in surprising and heartwarming ways.