The Library Kids Princess of Tara is the fifth book of a seven book series. Katie O'Conner travels to Ireland with her friends and family to retrieve the 6th and 7th crystals with the help of her 15,000 year old leprechaun friend, Liam. They battle the Enemies, meet ancient fairies and outwit an Ogress along the way. 1. The Library Kids Mystery of the Blue Mounds
2. The Library Kids The Serpent of Rock Lake
3. The Library Kids Cry of the Banshee
4. The Library Kids Talking Stones
5. The Library Kids Princess of Tara
6. The Library Kids The Pharaoh's Clue
7. The Library Kids House of the Dragon