Ripple Effect Mystery Books in Order

Traveling to a surprise birthday party, retirees Rip and Rapella Ripple instead encounter murder and the arrest of their friend Lexie. Their effort to clear her is complicated when the local police chief ignores evidence about his stepson's death.

Visiting family in Rockport, Rip and Rapella learn that their son-in-law is suspected of killing his friend during an offshore fishing trip. They investigate the harpooning and illegal snapper catch, determined to prove he is not responsible.

A wildlife photography contest draws Rip and Rapella to a Wyoming RV park, where the owner's death becomes suspicious. Evidence from Rapella's game camera sends the retirees after bear poachers and into another dangerous amateur investigation.

After Rip undergoes heart surgery, the couple recuperates in a donated Victorian house. When the nurse who arranged their stay is suspected of killing its former owner, Rapella investigates among questionable visitors, unruly pets, and unsettling household occurrences.

Helping family recover after Hurricane Harvey, Rapella finds a note suggesting a missing neighbor was murdered. A tipster's death strengthens her suspicions, but rapidly disappearing storm debris and reconstruction threaten the evidence and her own safety.

A visit for their granddaughter's birthday turns grim when her investment manager is found dead and her savings vanish. Rip and Rapella must help clear her husband's name, locate the missing money, and avoid becoming the killer's next targets.

After Rip is attacked at a roadside rest area, the assailant's connection to a recently deceased neighbor draws Rapella and Lexie into another inquiry. Their questions about the woman's death soon place both amateur detectives in serious danger.

When the doctor treating Rip's chest pain dies outside the hospital, Rapella doubts the initial explanation. A revised homicide finding sends the recuperating couple into an investigation involving medical colleagues and others connected to the dead surgeon.

A camping retreat leads Rip into a barbershop quartet after its tenor dies in an apparent balcony accident. Rapella suspects murder and investigates the replacement arrangement, uncovering reasons to question the people inviting her husband to sing.