Congregation B'nai Tzedek presents "Understanding Why Siblings Fight: What You Can Do to Help Your Children Learn to Cooperate," a parenting workshop, from 7 to 9 p.m. tonight. $25, members; $38, nonmembers. 10621 S. Glen Rd., Potomac. 301-299-1149.

Good Shepherd Episcopal Church will host a holiday open house from 9 a.m. to 3 p.m. tomorrow and Saturday. 818 University Blvd. W., Silver Spring. Free. 301-593-3161.

First Baptist Church of Silver Spring will host a concert featuring the Kunjalo Music Ministries of Cape Town, South Africa, at 7 p.m. tomorrow. 8415 Fenton St., Silver Spring. Free. 301-585-5454.

Calvary Lutheran Church presents "Concerts At Calvary," featuring the Collectors Edition jazz group, at 7:30 p.m. tomorrow. 9545 Georgia Ave., Silver Spring. Free. 301-589-4041.

The Lutheran Church of St. Andrew presents its "Hearts and Holly Craft Fair" from 9 a.m. to 2 p.m. Saturday. The Lutheran Church of St. Andrew, 12247 Georgia Ave., Silver Spring. Free. 301-942-6531.

St. Andrew the Apostle School will host a craft show from 10 a.m. to 3 p.m. Saturday. 11602 Kemp Mill Rd., Silver Spring. Free. 301-649-3555.

The Religious Society of Friends will hold a used book and attic-treasure sale from 10 a.m. to 4 p.m. Saturday. 17801 Meeting House Rd., Sandy Spring. Free. 301 774-9792.

New Hope Presbyterian Church presents its "Alternative Gift Market and Third World Craft Sale" from 10 a.m. to 5 p.m. Saturday and from 1 to 4 p.m. Sunday. 17930 Bowie Mill Rd., Derwood. Free. 301-987-8989.

River Road Unitarian Church will host a "Finnish Christmas Bazaar" from 11 a.m. to 3 p.m. Saturday. 6301 River Rd., Bethesda. Free. 703-556-3321.

Kehilat Shalom will host "Pastries and Picasso," an art auction, at 7:30 p.m. Saturday. 9915 Apple Ridge Rd., Gaithersburg. $6 in advance; $8 at the door. 301-869-7699.

Temple Emanuel will host a "Holiday Extravaganza Boutique" from 9:30 a.m. to 3 p.m. Sunday. 10101 Connecticut Ave., Kensington. Free. 301-942-2000.

The Universities at Shady Grove will host the Jewish Folk Arts Festival from noon to 6 p.m. Sunday. The festival celebrates 350 years of Jewish life in America. 9630 Gudelsky Dr., Rockville. $15; $12, seniors; $6, students; free, 4 and younger. 301-309-2310.

B'nai Israel Congregation presents "Brains, Souls and Religious Experiences: The Intersection of God and Science," a lecture at 7 p.m. Sunday. 6301 Montrose Rd., Rockville. Free. 301-881-6550.

The Board of Jewish Education presents "The Book of Job," a lecture by Rabbi Samuel Scolnic, at 12:30 p.m. Monday. Ring House Auditorium, 1801 E. Jefferson St., Rockville. Free. 301-816-5009.

-- Compiled by MARK JONES

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