5 books • 4 series
Mind-Blowing Science Facts (Mind-Blowing Science Facts)
It's about Time (It's about Time)
I Want a Pet (I Want a Pet)
Perros de Terapia/Therapy Dogs (Pebble Plus Bilinge/Bilingual: Perros de Trabajo/Working Dog)
Perros de Trineo/Sled Dogs (Pebble Plus Bilinge/Bilingual: Perros de Trabajo/Working Dog)