Title: Warrior (2011 film)
Content:  The Men of Warrior book was released on July 19, 2011. Lionsgate's "We Are All Warriors" project to support the release of Warrior by highlighting everyday heroes was launched August 1, 2011.
Title: Warrior's Refuge
Content:  Warrior's Refuge was published on 26 December 2007. It was released on the same day as Dark River, the second book in the Warriors: Power of Three series. Warrior's Refuge has only been published as a paperback.
Title: Warrior's Return
Content:  The three-part Graystripe manga series was announced as the first part of a partnership between Tokyopop and HarperCollins. Erin Hunter and Dan Jolley would write the stories and James L. Barry would illustrate it. After the release of The Lost Warrior and Warrior's Refuge, focus turned to the third volume. On the Warriors website, an excerpt was released, but was later removed. Warrior’s Return was released as a paperback on 22 April 2008, the same day Outcast was released, a novel in the Warriors: Power of Three series. To promote these two stories, Erin Hunter went on tour in the US. She visited several bookstores across the states. Warrior’s Return was also published in the UK and Canada. At the back of Warrior's Return were promotions for The Rise of Scourge, Cats of the Clans, Secrets of the Clans, and Firestar's Quest, all from the Warriors series, and The Quest Begins, from the Seekers series.
Title: Warrior's Refuge
Content:  Warrior’s Refuge is the second in an original English-language manga trilogy based on the best-selling book series Warriors by Erin Hunter. The manga was published by the distributor Tokyopop, and was released on 26 December 2007 along with Dark River, the second book in Warriors: Power of Three. It follows Graystripe and Millie as they journey to find ThunderClan. It is drawn by James L. Barry.
Title: Warriors (novel series)
Content:  The Warriors series was first published in the United States and United Kingdom. The editions published of the first two series—Warriors and Warriors: The New Prophecy—in the United Kingdom had slight variations in cover design from their United States counterparts. Warriors is also sold in New Zealand, Australia, and Canada. Translations into other languages such as Czech, Norwegian, Lithuanian, Finnish, Japanese, French, Spanish, Russian, Chinese, and Korean have also been published. The first six books have been published in Italy and Latin America, the first five series in Germany, and the first four series in the Netherlands. Fans also exist in Trinidad and Singapore. The first two books have been published in Poland.
Title: Warrior (miniseries)
Content:  Warrior was released on TV 2 on October 8, 2018.
Title: Warrior (2011 film)
Content:  Warrior was released on DVD and Blu-ray in the United States on December 20, 2011. The Blu-ray release includes a DVD copy of the movie, as well as a downloadable digital copy. With the exception of the Blu-ray including an additional Feature Length Enhanced Viewing Mode, extras are similar between both releases.
Title: Warrior's Return
Content:  Warrior's Return is an original English-language manga volume written by Erin Hunter as part of the Warriors series. It is the third and final in a trilogy following Graystripe, a fictional wild cat trying to find his Clan. It was released on 22 April 2008. It is drawn by James L. Barry.
Title: Warriors: Omen of the Stars
Content:  Apprentice was released in hardcover on 24 November 2009 (same as the United States) and paperback on 13 December 2010. Fading Echoes was released in hardcover on 15 May 2010 and paperback on 5 April 2011. Night Whispers was released in hardcover on 19 November 2010 and paperback on 19 December 2011. Sign of the Moon was released in hardcover on 5 April 2011 (same as the United States) and paperback on 26 March 2012. The Forgotten Warrior was released in hardcover on 22 November 2011 (same as the United States) and 13 December 2012. The Last Hope was released in hardcover on 26 March 2012 and in paperback on 25 March 2013.
Title: The Tiger Warrior
Content:  The Tiger Warrior is an archaeological adventure novel by David Gibbins. First published in 2009, it is the fourth book in Gibbins' Jack Howard series. It has been published in 18 languages and was a New York Times bestseller.

Question: when does the next warrior book come out?
Answer: April 10, 2018.