The supplemental manga for Magical Girl Lyrical Nanoha Movie 1st, adding scenes inspired by both the original anime season and it's Sound Stages into the movie verse.

Six years after the JS Incident, a young dimensional traveler Touma Avenir rescues a mysterious mute girl named Lily Strosek from a secret research facility on a distant world of Ruwella. However, by doing so, he becomes an unwitting accomplice in the Book of the Silver Cross Incident, the latest interdimensional crisis faced by the former Riot Force 6 members...

Part of the Mahou Shoujo Lyrical Nanoha series

Chapters 1-3 are the events that occurred between the end of A's and the start of StrikerS.

Chapters 4-12 are side stories about the characters.

Chapters 13 & 14 are the events that occurred after the end of StrikerS.

Chapter 15 is a special from Megami September 2009 (also events after the end of StrikerS).

A manga adaptation of the anime.

Adaptation of the 1st movie of Nanoha.

In the Mahou Shoujo Lyrical Nanoha A's Portable - The Gears of Destiny - Material Musume. series:

V.1 - Mahou Shoujo Lyrical Nanoha A's Portable - The Gears of Destiny - Material Musume.

V.2 - Dash

The series takes place four years after the events of Magical Girl Lyrical Nanoha StrikerS, during which magical girl Nanoha Takamachi rescued and adopted a young girl named Vivio, who is the reincarnation of the Sankt Kaiser, Olivie Segbrecht. After entering her fourth year of elementary school, Vivio is given her own intelligence device, Sacred Heart, and gains the power to transform using her adult Sankt Kaiser mode. She soon comes across a girl named Einhart Stratos who, similar to Vivio, is the descendant of another Sankt Kaiser ruler, Claus G.S. Ingvalt. As Einhart becomes determined to prove her fighting style is the strongest, Vivio befriends her and, together with her friends, enters a martial arts tournament where they fight against various magical opponents and learn more about their past lives.