Nicki Holland Mysteries
1 The Case of the Mystery Mark (1991)
2 The Case of the Phantom Friend (1991)
3 The Case of the Teenage Terminator (1991)
4 The Case of the Terrified Track Star (1992)
5 The Case of the Counterfeit Cash (1992)
6 The Case of the Haunting of Lowell Lanes (1992)
7 The Case of the Birthday Bracelet (1993)
8 The Secret of Cravenhill Castle (1993)
9 The Riddle of Baby Rosalind (1993)
2 The Case of the Phantom Friend (1991)
3 The Case of the Teenage Terminator (1991)
4 The Case of the Terrified Track Star (1992)
5 The Case of the Counterfeit Cash (1992)
6 The Case of the Haunting of Lowell Lanes (1992)
7 The Case of the Birthday Bracelet (1993)
8 The Secret of Cravenhill Castle (1993)
9 The Riddle of Baby Rosalind (1993)
