From the Series of biographies of great Jewish thinkers
"Gedole ha-ruah ve-ha-yetsirah ba-am ha-yehudi":

Avineri, Shlomo Herzl (Series: Gedole ha-ruah ve-ha-yetsirah ba-am ha-yehudi) Herzl's thought and his historical background Item No. 37775. Shazar, 2007, (in Hebrew) Price: $19.60

Oppenheimer, Aharon Rabi Judah ha-Nasi - R. Yehuda ha-nasi (Gedole ha-ruah ve-hayetsirah be-am ha-yehudi Work and life of R. Yehudah ha-Nasi Item No. 37347. Shazar, 2007,205 pp, (in Hebrew) Price: $17.50

Rosenak, Avinoam Rabbi A.I. Kook (Series: gedole ha-ruah ba-am ha-yehudi) - Ha-rav kook (Series: gedole ha-ruah ba-am ha-yehudi) From the contents: The development of R. Kook; Aliyah; Ideology and halakha; exile and war; London; Return to Jerusalem; Dream and reality Item No. 36571. Shazar, 2006,280 pp, Softcover (in Hebrew) Price: $21.90

Brody, Yerahmiel [Robert] Rav Seadya Gaon (Series: gedole ha-ruah ba-am ha-yehudi) From the content: the era of the Geonim; Seadya Gaon - revolutionay and conservative; his thought; commentator; poet; halakhist; writer Item No. 36570. Shazar, 2006,183 pp, Softcover (in Hebrew) Price: $14.20

Grossman, Avraham Rashi (Series: Gedole ha-ruah ve-ha-yetsirah ba-am ha-yehudi) From the contents: social and cultural background of Rashi, his life, his yeshivah, his work: perush on the torah, on the prophet, talmud, tshuvot, piyutim, his world view: the Jewish people, values, society Item No. 35893. Shazar, 2006,309 pp, Softcover (in Hebrew) Price: $20.80

Dan, Joseph R. Yehuda He-Hasid (Series: Gedole ha-ruah ve-ha-yetsirah ba-am ha-yehudi) - R. Yehuda ha-hasid From the contents: R. Yehuda in his time, Sefer hasidim, social vision, Sefer Ha-kavod, prayer and mysticdal prayer, the creator and the creation Item No. 35892. Shazar, 2006,182 pp, Softcover (in Hebrew) Price: $14.30

Feiner, Shmuel Moses Mendelsshon - Moshe Mendelssohn The story of the life of the philosopher Moses Mendelssohn Item No. 35271. Shazar, 2005,176 pp, (in Hebrew) Price: $16.50