Best Selling Books by Kellen Hertz

Courtney''s suited up for an epic adventure — just like Crystal Starshooter, the video game hero she invented. Crystal is brave and bold and doesn''t back down. Courtney tries to be the same in real life. When Courtney meets Isaac Wells at the arcade, they form an epic friendship. Isaac has awesome ideas to add to Crystal Starshooter''s game world, and he gets along great with Sarah and Kip, Courtney''s two best friends. When Isaac needs help fighting a real battle called HIV, Courtney is quick to support him. But doing so puts her friendship with Sarah at risk. Being brave and bold is complicated. What would a superhero do?

Tenney Grant is a star on the rise. She knows that building a music career takes time and dedication. So does being a good friend. In this second story about the aspiring singer-songwriter, Tenney and her best friend, Jaya, learn that a storm has ravaged the Bengali town where Jaya''s cousin lives, and they spring into action to raise money to rebuild her school. Meanwhile, Tenney begins rehearsing with a talented-and stubborn--young drummer named Logan. When their manager books the duo to play at Nashville''s City Music Festival, it''s a dream come true for Tenney--until she finds out that the performance is on the same day as Jaya''s fund-raiser. It feels as if music is tearing these two friends apart. Unless, Tenney realizes, there''s a way music can bring them back together . . .

Tenney''s biggest dream is to share what''s in her heart through music. Little does she know, she''s about to get the opportunity of a lifetime. In this first book, Tenney gets invited to perform solo at Nashville''s famed Bluebird Cafe and the pressure is on to write the song that will show what she''s made of. But then Tenney''s parents decide that she''s too young to perform professionally, leaving her future hanging in the balance. What if this is Tenney''s only chance to make her dreams come true?

Tenney & Logan are a harmonious match onstage, but behind the scenes, they are totally out of tune. In this third novel, Tenney has signed a recording contract and is ready to make the album of her dreams . . . she just wishes she didn''t have to do it with moody Logan Everett! They''re supposed to be songwriting partners, but Logan doesn''t even seem to be trying. Just when it looks like they''ve found their harmony, Logan suddenly disappears, and Tenney wonders if he has bailed on their act. A couple of months ago, Tenney would have gladly taken the opportunity to go solo. But as she learns more of Logan''s story, she begins to wonder: Do she and Logan need each other--and their music--now more than ever before?

Buckle your seatbelts--In this fourth book in the series, Tenney & Logan are taking their show on the road! Christmas is just around the corner, and Tenney can''t wait to share their music with fans all over Tennessee. But being on the road is harder than she expected--she''s missing out on her favorite holiday traditions at home. . . and why is Logan being such a scrooge? After a series of disappointments, the duo begins to crack under pressure. Can they save the tour--and their holiday spirit--in time for Christmas?

Courtney Moore is the best gamer at the arcade. But she can''t understand why there aren''t more girl characters. When Courtney imagines her own video game, the hero is a girl who knows how to handle any situation. If only I was like that in real life, Courtney wishes. Her dad''s moving for a job, so Courtney won''t be living with him on the weekends anymore. That''s causing a big problem with her stepsister, who doesn''t like sharing a room with Courtney — or her guinea pig. When her mom announces that she''s running for mayor, Courtney''s blended family has to learn to work together differently. It''s a whole new game for Courtney, and she''s figuring out the rules as she goes.

For spring break, Lea has invited her friend Camila to St. Louis for a stateside adventure. They find a stray kitten and make a mysterious discovery while visiting a grand but crumbling mansion. Lea is determined to uncover the secrets of her discove

During a family trip to Brazil, Lea must prove to her brother that she is brave; while in the Amazon rain forest, she finds an injured baby sloth; and when her friend Camila visits St. Louis, she makes a mysterious discovery.