Book review: Joanne Alper, Billy says - "It's not your fault": Book 1. Fosterplus, 2002. Joanne Alper, Billy says - "You should be taken care of ": Book 2. Fosterplus, 2002. Joanne Alper, Billy says - "Foster carers can help": Book 3. Fosterplus, 2002. Joanne Alper, Billy says - "What you think matters": Book 4. Fosterplus, 2002. Joanne Alper, Billy says - "Waiting can be hard": Book 5. Fosterplus, 2002. Joanne Alper, Billy says - "Living as a new family takes practice": Book 6. Fosterplus, 2002