השביעיה הסודית חוקרת
Contributors: Karmeli, Avner
Series: Sheviʻiyah ha-sodit -- 7
Publisher: מ. מזרחי
Published: 1974
Place of publication: תל אביב
Language: heb
Number of pages: 103
Other titles: ha-Sheviʻiyah ha-sodit ḥoḳeret
Work titles: Secret Seven win through