Your Baby’s Sex: Now You Can Choose (1970), by David M. Rorvik and Landrum B. Shettles Your Baby’s Sex: Now You Can Choose (1970), by David M. Rorvik and Landrum B. Shettles Read more about Your Baby’s Sex: Now You Can Choose (1970), by David M. Rorvik and Landrum B. Shettles
The Shettles Method of Sex Selection The Shettles Method of Sex Selection Read more about The Shettles Method of Sex Selection
David Michael Rorvik (1944–) David Michael Rorvik (1944–) Read more about David Michael Rorvik (1944–)
