Passage: Madonna gave another provocative performance later that year at the 2003 MTV Video Music Awards, when she kissed singers Britney Spears and Christina Aguilera while singing the track "Hollywood". In October 2003, she provided guest vocals on Spears' single "Me Against the Music". It was followed with the release of Remixed & Revisited. The EP contained remixed versions of songs from American Life and included "Your Honesty", a previously unreleased track from the Bedtime Stories recording sessions. Madonna also signed a contract with Callaway Arts & Entertainment to be the author of five children's books. The first of these books, titled The English Roses, was published in September 2003. The story was about four English schoolgirls and their envy and jealousy of each other. The book debuted at the top of The New York Times Best Seller list and became the fastest-selling children's picture book of all time.The next year Madonna and Maverick sued Warner Music Group and its former parent company Time Warner, claiming that mismanagement of resources and poor bookkeeping had cost the company millions of dollars. In return, Warner filed a countersuit alleging that Maverick had lost tens of millions of dollars on its own. The dispute was resolved when the Maverick shares, owned by Madonna and Ronnie Dashev, were purchased by Warner. Madonna and Dashev's company became a wholly owned subsidiary of Warner Music, but Madonna was still signed to Warner under a separate recording contract.In mid-2004 Madonna embarked on the Re-Invention World Tour in the U.S., Canada, and Europe. It became the highest-grossing tour of 2004, earning around $120 million and became the subject of her documentary I'm Going to Tell You a Secret. In November 2004, she was inducted into the UK Music Hall of Fame as one of its five founding members, along with the Beatles, Elvis Presley, Bob Marley, and U2. Rolling Stone ranked her at number 36 on its special issue of the 100 Greatest Artists of All Time, featuring an article about her written...

Question: With who did Madonna sign a contract?
Callaway Arts & Entertainment