Commander You You and the Imperial Diamond (Book 1)
The Imperial Diamond has been stolen! Whoever possesses the diamond has the power to rule the galaxy. Commander You You and Abby have five days to find the diamond and return it to King Ufa Gufa, its rightful owner. Join the kids on an exciting adventure through space as they meet unusual animals and zany characters. Will they find the diamond and make it home safely?
( I finished this book when I was 10.)
Commander You You and the Time Penny (Book 2)
His Imperial Overcookedness returns and has stolen the magical Time Penny! King Ufa Gufa sends best friends Commander You You and Abby on another quest — this time, through time and space. The girls must retrieve the Time Penny and rescue the king’s nephew before His Imperial Overcookedness takes over the cosmos. With their heroic space cat Fluffy and beloved dragon Albert, the girls discover a planet made of cheese, a grickle and other unusual places and creatures.
(I finished this book when I was 11.)